I need help with 2, 3 and 6. 3. If you assume that the observations in the sample are independent, what is the smallest value the sample size could be to meet the conditions forthis hypothesis test?А. 28В. 10O C. None of the above)D. 20OE. 77OF. 264. Calculate the test statistic.z = -1.25295. Calculate the p value.p = 0.10516. Which of the following describes the probability represented by the p-value for this test?A. It is the probability that any random sample of 215 MSU students would have 35.81% saying they regularly sleep less than 8 hours a day.O B. It is the probability that a random sample of 215 MSU students would result in 35.81% or fewer who regularly sleep less than 8 hours a day,assuming the null model is valid.O C. It is the probability that 40% of all MSU students regularly sleep less than 8 hours a day, assuming the null model is valid.D. It is the probability that less than 40% of MSU students regularly sleep less than 8 hours a day if, in fact, 35.81% actually do.O E. None of the above. Night OwlsA MSU psychologist reports that 40% of MSU students regularly sleep less than 8 hours each night. Cindy believes that the actualproportion of MSU students who regularly sleep less than 8 hours each night is less than the value reported by the MSU psychologist. She randomlyselects 215 students and asks them, "Do you regularly sleep less than 8 hours each night?" She finds that 77 of the 215 students answered "yes" tothe question.1. Which one of the following statements about the number 40% is correct?A. It is a sample statistic.B. It is a standard error.C. It is a margin of error.OD. It is a claimed parameter.2. Choose the null and alternative hypotheses Cindy should use to test her theory.0.4, НА : р2 0.4В. Но : р %3D 0.4, НА : р <0.40.4, НАОА. Но : р%3ос. Но : р —: р<0.36D. Ho : p = 0.4, HA : P > 0.43. If you assume that the observations in the sample are independent, what is the smallest value the sample size could be to meet the conditions forthis hypothesis test?OA. 28оВ. 10OC. None of the aboveOD. 20OE. 77F. 26

3. If you assume that the observations in the sample are independent, what is the smallest value the sample size could be to meet the conditions for this hypothesis test? OA. 28 OB. 10 OC. None of the above OD. 20 OE. 77 OF. 26 4. Calculate the test statistic. z = -1.2529 5. Calculate the p value. p = 0.1051 6. Which of the following describes the probability represented by the p-value for this test? OA. It is the probability that any random sample of 215 MSU students would have 35.81% saying they regularly sleep less than 8 hours a day. B. It is the probability that a random sample of 215 MSU students would result in 35.81% or fewer who regularly sleep less than 8 hours a day, assuming the null model is valid. OC. It is the probability that 40% of all MSU students regularly sleep less than 8 hours a day, assuming the null model is valid. OD. It is the probability that less than 40% of MSU students regularly sleep less than 8 hours a day if, in fact, 35.81% actually do. O E. None of the above.

3. If you assume that the observations in the sample are independent, what is the smallest value the sample size could be to meet the conditions for this hypothesis test? OA. 28 OB. 10 OC. None of the above OD. 20 OE. 77 OF. 26 4. Calculate the test statistic. z = -1.2529 5. Calculate the p value. p = 0.1051 6. Which of the following describes the probability represented by the p-value for this test? OA. It is the probability that any random sample of 215 MSU students would have 35.81% saying they regularly sleep less than 8 hours a day. B. It is the probability that a random sample of 215 MSU students would result in 35.81% or fewer who regularly sleep less than 8 hours a day, assuming the null model is valid. OC. It is the probability that 40% of all MSU students regularly sleep less than 8 hours a day, assuming the null model is valid. OD. It is the probability that less than 40% of MSU students regularly sleep less than 8 hours a day if, in fact, 35.81% actually do. O E. None of the above.

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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Question

I need help with 2, 3 and 6.

3. If you assume that the observations in the sample are independent, what is the smallest value the sample size could be to meet the conditions for
this hypothesis test?
А. 28
В. 10
O C. None of the above
)D. 20
OE. 77
OF. 26
4. Calculate the test statistic.
z = -1.2529
5. Calculate the p value.
p = 0.1051
6. Which of the following describes the probability represented by the p-value for this test?
A. It is the probability that any random sample of 215 MSU students would have 35.81% saying they regularly sleep less than 8 hours a day.
O B. It is the probability that a random sample of 215 MSU students would result in 35.81% or fewer who regularly sleep less than 8 hours a day,
assuming the null model is valid.
O C. It is the probability that 40% of all MSU students regularly sleep less than 8 hours a day, assuming the null model is valid.
D. It is the probability that less than 40% of MSU students regularly sleep less than 8 hours a day if, in fact, 35.81% actually do.
O E. None of the above.

Night Owls
A MSU psychologist reports that 40% of MSU students regularly sleep less than 8 hours each night. Cindy believes that the actual
proportion of MSU students who regularly sleep less than 8 hours each night is less than the value reported by the MSU psychologist. She randomly
selects 215 students and asks them, "Do you regularly sleep less than 8 hours each night?" She finds that 77 of the 215 students answered "yes" to
the question.
1. Which one of the following statements about the number 40% is correct?
A. It is a sample statistic.
B. It is a standard error.
C. It is a margin of error.
OD. It is a claimed parameter.
2. Choose the null and alternative hypotheses Cindy should use to test her theory.
0.4, НА : р2 0.4
В. Но : р %3D 0.4, НА : р <0.4
0.4, НА
ОА. Но : р%3
ос. Но : р —
: р<0.36
D. Ho : p = 0.4, HA : P > 0.4
3. If you assume that the observations in the sample are independent, what is the smallest value the sample size could be to meet the conditions for
this hypothesis test?
OA. 28
оВ. 10
OC. None of the above
OD. 20
OE. 77
F. 26

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