Answer:
5 cans of spray paint
Step-by-step explanation:
i did the usatestprep :D
Maria tests the effectiveness of an anti-depression drug by recruiting 500 participants and randomly assigning half e participants to take Drug A for 1 month and the other half to take a placebo for 1 month. At the end of the month, depression levels are recorded. Overall, participants who received Drug A had depression scores of M-32.12, SD- 10.58 and those you received the placebo had depression scores of M- 34.29. SD 11.10, t(498) 2.17,p .01 (one tailed], d19. Faced with these data, Maria needs to write a report in which she interprets the data. Which of the following is the best summary of these data?
A. The p value is very small, showing that there is only a 1% chance of a Type l error. we can be 99% confident that the drug significantly reduces depression.
B. The results of the t-test are significant, but the effect size is small. This study should be replicated with a larger sample size to increase statistical power.
C. The results of the t-test are significant, but the effect size is small. The drug does lower depression, but it is not clear if the reduction is enough to warrant use of the drug.
D. The small p value and the small effect size suggest that the observed difference between the drug adplacebo groups are likely to be due to sampling error. This study should be replicated with a larger sample size.
Answer:
D. The small p value and the small effect size suggest that the observed difference between the drug placebo groups are likely to be due to sampling error. This study should be replicated with a larger sample size.
Step-by-step explanation:
The p value is determined for any test before making a conclusion. If the p-value is smaller than critical value then we reject the null hypothesis which means that drug is not effective for the reducing depression. A very small p-value usually lesser than 0.05 indicates strong evidence against the null hypothesis.
If a computer were to pick a letter at random from the word MATHEMATICS, what is the probability that it would choose the letter M? Make sure your answer is in fraction form and use the (/) key to make it a fraction. Make sure there are no spaces in your answered and reduce if possible
HOPE IT HELPS BUD
[tex]
Total \: number \: of \: letters \: M \: = \: 2 \\
\\ Total \: number \: of \: letters \: or \: outcomes \: = \: 11 \\
Probability \: of \: getting \: M \: = \: 112
[/tex]
Answer:
A letter is chosen at random from the word 'MATHEMATICS, the probability of getting the letter M is 2/m.
Plz help if correct ill give brailiest also the first answer was x<1
Answer:
For x<1, answer would be A.
Step-by-step explanation:
Since the less than sign doesn't have a line under it "making it less than or equal to" the dot on the graph is not shaded, and if you simply read the inequality, x is less than 1, so it goes in the direction less than 1.
A bouncy ball is dropped such that the height of its first bounce is 6.75
feet and each successive bounce is 68% of the previous bounce's
height. What would be the height of the 6th bounce of the ball? Round
to the nearest tenth (if necessary).
Step-by-step explanation:
0,4 ft
It can be convinient to let a spreedsheet compute the values for you
Here we have written an expiliclit formula for the height of the 9th bounce
H= 5.5 x 0.64'(n-1)
We have written the formuka this way beacause we are given the height of the firrrst bounce not the satrting height so as you see each bounce multiples the height by a factor of 0,64 then the 7th bounce will be
H= 5.5 x 0.64'6 = 0.378 = 0,4 feet
Hope it helpsAnswer: 1
Step-by-step explanation:
Ky wants to buy three shirts, which were originally priced at $49.96 each. The store will discount the price of the 3rd shirt by 50% off and apply a %7.1 tax to the total cost of all three shirts. Including the tax, what will be the mean cost of each shirt?
9514 1404 393
Answer:
$44.49
Step-by-step explanation:
The total cost before tax will be ...
$49.96 +49.96 + 0.50(49.96) = $124.90
With tax added, the cost is ...
$124.90 × 1.071 = $133.77
Then the average cost per shirt for the 3 shirts is ...
$133.77/3 = $44.59
The mean cost of a shirt is $44.59.
Answer:
the answer is $44.49
Step-by-step explanation:
:))
Which expression could help you find the distance
between (10, 4) and (-6,4)?
O |10+ |-41
O |10| + 141
O |-6] + 141
O |10| + |-61
Match each pair of points a and B to point C such that ABC equals 90°
I don't really get what you mean
what is the equation to 3x+2x+-x
Answer:
the answer qould be 4x if you are just simplifying
The mean of 3, a+2, 8, 12, 2a-1 and 6 is 7. Find the value of a. its urgent plsss
Answer:
5.5
Step-by-step explanation:
Is this a rectangular prism or a triangular prism
Answer:
I think it may be a rectangular prism
Step-by-step explanation:
it looks like one
hope it helped
Find the height of this cone using the Pythagorean Theorem. 9 in. h = [?] in. 6 in. a C Pythagorean Theorem: a2 + b2 = c2 b
Answer:
h = √72 in.
Step-by-step explanation:
Height of the cone using pythagorean theorem, a² + b² = c², where:
a = h
b = ½(6) = 3 in.
c = 9 in.
Plug in the values
h² + 3² = 9²
h² + 9 = 81
h² + 9 - 9 = 81 - 9
h² = 72
h = √72
5/8(64−96) simplify
☁️ Answer ☁️
-20
Hope it helps.
Have a nice day noona/hyung ￣▽￣
Si a y b son los catetos de un triángulo y c su hipotenusa determina el lado que falta a= 16,b=34*
Answer:
the aswer is b
Step-by-step explanation:
i
Plzz help
A store buys an $10 sweater; the store adds a markup of 40%. What is the selling price of the sweater?
Answer:
$14
Step-by-step explanation:
40% of 10 is 4
4+10=14
hope this helps
In circle O, central angle BOC has a measure of 115. Find the measure of arc BAC. In your final answer, Include all of your work.
Answer:65
Step-by-step explanation:
Which of the following expressions is equivalent to 3x−2x+5?
Answer:
b
Step-by-step explanation:
simplify 63:18 please show working.
Answer:
=7:2
Step-by-step explanation:
63:18
divide both sides by 3
=21.6
divide by 3 again
=7:2
From a random sample of 185 children from school G, 108 indicated they wanted to study science in college. From a different random sample of 165 children from school H, 92 indicated they wanted to study science in college. Assuming all conditions for inference are met, which of the following is closest to the standard error for a confidence interval for the difference in population proportions between the two schools of children who want to study science in college?A. 1.96 underroot(200/350)(1 − 200/350)/350.B. Underroot(108/185)(1 − 108/185)185 − (92/165)(1−92/165)/165.C. Underroot(108/185)(1 − 108/185)185 + (92/165)(1−92/165)165.D 1.96 underroot(108/185)(1 − 108/185)185 + (92/165)(1 − 92/165)165.E. Underroot(200/300)(1 - 200/300)/350.
Answer:
C. Underroot(108/185)(1 − 108/185)185 + (92/165)(1−92/165)165.
Step-by-step explanation:
Sample size, n1 = 185
x1, = 108
P1 = x1 / n1 = 108 / 185 =
Sample size, n2 = 165
x2, = 92
P2 = x2 / n2 = 92/165
Standard Error = sqrt[(p1(1-p1))/n1 + (p2(1-p2))/n2]
sqrt[(108/185(1 - 108/185)) /185 + (92/165(1 - 92/165)) / 165]
Find parametric equations for the curve with the given properties.
The line with slope 1/2, passing through (1, -4)
Answer:
y = 1/2x -9/2
Step-by-step explanation:
y+4 = 1/2(x-1)
y = 1/2x -1/2 - 4
y = 1/2x + (-1-8)/2
y = 1/2x -9/2
Find the volume of the right triangular prism.
A) 120 cubic centimeters
B) 90 cubic centimeters
C) 60 cubic centimeters
D) 150 cubic centimeters
Find the solution to the system of equations.
3x + 2y - 4z= 3
3
x - 4y + 2z= -11
2x + y - 2z = 2
A. x = 3, y = 2, z = 4
B. x = 1, y = 4, z = 2
O C. x = 6, y=-3, z = -4
O D. x= 1, y = 6, z = 2
Answer:
B.
[tex]x = 1 \\ y = 4 \\ z = 2[/tex]
The solution to the system of equations is x-1, y = 4 and z= 2.
What is Equation?Equations are mathematical statements with two algebraic expressions flanking the equals (=) sign on either side.
Coefficients, variables, operators, constants, terms, expressions, and the equal to sign are some of the components of an equation. The "=" sign and terms on both sides must always be present when writing an equation.
We have the equation
3x + 2y - 4z = 3
x -4y +2z = -11
2x + y + 2z = -11
Solving the above equation we get
3x + 2y - 4z - 3x + 12y + 6z = 3 + 33
14y + 2z = 36
and, 2x - 8y + 4z - 2x - y - 2z = -22 + 11
-9y + 2z = -11
So, y =4 and z = 2
and, x = 1
Learn more about Equation here:
https://brainly.com/question/29657983
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is 1 equivalent to -13 - (-12)
PLEASE HELP I REALLY NEED HELP PLEASE
Answer:
the absolute value of -70 is 70 so they would be equal
hope I helped
Answer:
the answer is 7=|-7| because the other would not make sense
i will give a crown if you are the first one to answer and if you get it right and if you just get it right then i will i give you a full star rating and a thanks
Answer:
20 + 25x
Step-by-step explanation:
CAN ANYONE PLEASE HELP ME?.......
Find P(4).
A. 1/8
B. 1/4
C. 1/2
Answer:
A. 1/8
Step-by-step explanation:
n(4) = 1
n(S) = 8
p(4)= n(4)/n(S)
=1/8 Ans.
Monica is paid $11.50 per hour in addition to a $70.00 fuel stipend. This week she would like to earn more than $ 440.00 . How many hours must Monica work this week ? Round to the nearest tenth of an hour
Answer:
Step-by-step explanation:
70+11.5x>440 subtract 70 from each side
11.5x>370 divide each side by 11.5
x>32.17 to nearest tenth
x>32.2
sarah has 3 dozen eggs. she sold 3/4 of her eggs, how many eggs did she sell?
Answer:
27
Step-by-step explanation:
What are the solutions to (x + 7)2 = 81?
A −74 and 88
B −2 and 16
C −88 and 74
D −16 and 2
Answer:
the solutions are c because, when we say x +7=81 that will give us 74 which is there on c
$45.00 iPod shuffle 1GB
10% or markdown plus sales tax 10%
What will the sale price be if you purchase this item?
Answer:
$44.55
Step-by-step explanation:
10% of 45 is 4.5
45 * 0.1 = 4.5
So subtract 4.5 from 45
45 - 4.5 = 40.5
Now get 10% of 40.5
40.5 * 0.1 = 4.05
Add 4.05 to 40.5
4.05 + 40.5 = 44.55
What is the inequality that would represent: The sum of two numbers is
less than 4?*
Answer:
x+y<4
Step-by-step explanation:
Answer:
x+y<4
Step-by-step explanation:
let the numbers be x and y
x+y<4
x-y>1