Suppose the lengths of the pregnancies of a certain animal are approximately normally distributed with mean p= 170 days and standard deviation o= 15 days. Complete parts (a) thu Click here to view the standard normal distribution table (page 1). Click here to view the standard normal distribution table (page 2). (d) What is the probability that a random sample of 34 pregnancies has a mean gestation period of 164 days or less? The probability that the mean of a random sample of 34 pregnancies is less than 164 days is approximately (Round to four decimal places as needed.) Interpret this probability. Select the correct choice below and fill in the answer box within your choice. (Round to the nearest integer as needed.) sample(s) to have a sample mean of 164 days or less. O A. If 100 independent random samples of size n= 34 pregnancies were obtained from this population, we would expect sample(s) to have a sample mean of 164 days or more. O B. If 100 independent random samples of size n= 34 pregnancies were obtained from this population, we would expect sample(s) to have a sample mean of exactly 164 days. O C. If 100 independent random samples of size n= 34 pregnancies were obtained from this population, we would expect (e) What might you conclude if a random sample of 34 pregnancies resulted in a mean gestation period of 164 days or less? 170 days. This result would be V so the sample likely came from a population whose mean gestation period is (f) What is the probability a random sample of size 20 will have a mean gestation period within 10 days of the mean? (Round to four decimal places as needed.) The probability that a random sample of size 20 will have a mean gestation period within 10 days of the mean is (1,1)
Suppose the lengths of the pregnancies of a certain animal are approximately normally distributed with mean p= 170 days and standard deviation o= 15 days. Complete parts (a) thu Click here to view the standard normal distribution table (page 1). Click here to view the standard normal distribution table (page 2). (d) What is the probability that a random sample of 34 pregnancies has a mean gestation period of 164 days or less? The probability that the mean of a random sample of 34 pregnancies is less than 164 days is approximately (Round to four decimal places as needed.) Interpret this probability. Select the correct choice below and fill in the answer box within your choice. (Round to the nearest integer as needed.) sample(s) to have a sample mean of 164 days or less. O A. If 100 independent random samples of size n= 34 pregnancies were obtained from this population, we would expect sample(s) to have a sample mean of 164 days or more. O B. If 100 independent random samples of size n= 34 pregnancies were obtained from this population, we would expect sample(s) to have a sample mean of exactly 164 days. O C. If 100 independent random samples of size n= 34 pregnancies were obtained from this population, we would expect (e) What might you conclude if a random sample of 34 pregnancies resulted in a mean gestation period of 164 days or less? 170 days. This result would be V so the sample likely came from a population whose mean gestation period is (f) What is the probability a random sample of size 20 will have a mean gestation period within 10 days of the mean? (Round to four decimal places as needed.) The probability that a random sample of size 20 will have a mean gestation period within 10 days of the mean is (1,1)
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
Related questions
Question

Transcribed Image Text:Suppose the lengths of the pregnancies of a certain animal are approximately normally distributed with mean p= 170 days and standard deviation o = 15 days. Complete parts (a) through
Click here to view the standard normal distribution table (page 1).
Click here to view the standard normal distribution table (page 2).
(d) What is the probability that a random sample of 34 pregnancies has
mean gestation period of 164 days or less?
(Round to four decimal places as needed.)
The probability that the mean of a random sample of 34 pregnancies is less than 164 days is approximately
Interpret this probability. Select the correct choice below and fill in the answer box within your choice.
(Round to the nearest integer as needed.)
sample(s) to have a sample mean of 164 days or less.
O A. If 100 independent random samples of size n = 34 pregnancies were obtained from this population, we would expect
sample(s) to have a sample mean of 164 days or more.
O B.
f 100 independent random samples of size n= 34 pregnancies were obtained from this population, we would expect
sample(s) to have a sample mean of exactly 164 days.
O C. If 100 independent random samples of size n= 34 pregnancies were obtained from this population, we would expect
(e) What might you conclude if a random sample of 34 pregnancies resulted in a mean gestation period of 164 days or less?
170 days.
This result would be
V so the sample likely came from a population whose mean gestation period is
(f) What is the probability a random sample of size 20 will have a mean gestation period within 10 days of the mean?
(Round to four decimal places as needed.)
The probability that a random sample of size 20 will have a mean gestation period within 10 days of the mean is
(1,1)
Ask my instructor
73°F Mostly cloudy
P Type here to search
acer
F10
F11
F12
PrtSc
Pause
F4
F5
F6
F7
F8
F9
Ins
F3
Sa Lk
SysRq
Break

Transcribed Image Text:Suppose the lengths of the pregnancies of a certain animal are approximately normally distributed with mean p= 170 days and standard deviation o = 15 days. Complete parts (a) through (f) below
Click here to view the standard normal distribution table (page 1).
Click here to view the standard normal distribution table (page 2).
.....
- ------ *- ---
---
O C. If 100 pregnant individuals were selected independently from this population, we would expect
pregnancies to last more than 164 days.
(b) Suppose a random sample of 17 pregnancies is obtained. Describe the sampling distribution of the sample mean length of pregnancies.
with u = 170 and o;
X.
= 3.638
The sampling distribution of x is
normal
(Round to four decimal places as needed.)
(c) What is the probability that a random sample of 17 pregnancies has a mean gestation period of 164 days or less?
The probability that the mean of a random sample of 17 pregnancies is less than 164 days is approximately
(Round to four decimal places as needed.)
Interpret this probability. Select the correct choice below and fill in the answer box within your choice.
(Round to the nearest integer as needed.)
O A. Jf 100 independent random samples of size n = 17 pregnancies were obtained from this population, we would expect
sample(s) to have a sample mean of exactly 164 days.
sample(s) to have a sample mean of 164 days or more.
O B. If 100 independent random samples of size n= 17 pregnancies were obtained from this population, we would expect
sample(s) to have a sample mean of 164 days or less.
O C. If 100 independent random samples of size n = 17 pregnancies were obtained from this population, we would expect
ore
Ask my instructor
73°F Mostly cloudy
P Type here to search
acer
Pause
Break
F12
PrtSc
Ins
Del
F9
F10
F11
F6
F7
F8
Sar Lk
SysRq
F4
F5
* F2
F3
z'
Expert Solution

This question has been solved!
Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.
This is a popular solution!
Trending now
This is a popular solution!
Step by step
Solved in 2 steps with 2 images

Recommended textbooks for you

MATLAB: An Introduction with Applications
Statistics
ISBN:
9781119256830
Author:
Amos Gilat
Publisher:
John Wiley & Sons Inc

Probability and Statistics for Engineering and th…
Statistics
ISBN:
9781305251809
Author:
Jay L. Devore
Publisher:
Cengage Learning

Statistics for The Behavioral Sciences (MindTap C…
Statistics
ISBN:
9781305504912
Author:
Frederick J Gravetter, Larry B. Wallnau
Publisher:
Cengage Learning

MATLAB: An Introduction with Applications
Statistics
ISBN:
9781119256830
Author:
Amos Gilat
Publisher:
John Wiley & Sons Inc

Probability and Statistics for Engineering and th…
Statistics
ISBN:
9781305251809
Author:
Jay L. Devore
Publisher:
Cengage Learning

Statistics for The Behavioral Sciences (MindTap C…
Statistics
ISBN:
9781305504912
Author:
Frederick J Gravetter, Larry B. Wallnau
Publisher:
Cengage Learning

Elementary Statistics: Picturing the World (7th E…
Statistics
ISBN:
9780134683416
Author:
Ron Larson, Betsy Farber
Publisher:
PEARSON

The Basic Practice of Statistics
Statistics
ISBN:
9781319042578
Author:
David S. Moore, William I. Notz, Michael A. Fligner
Publisher:
W. H. Freeman

Introduction to the Practice of Statistics
Statistics
ISBN:
9781319013387
Author:
David S. Moore, George P. McCabe, Bruce A. Craig
Publisher:
W. H. Freeman