According to a survey in a country. 28% of adults do not own a credit card. Suppose a simple random sample of 400 adults is obtained. (b) What is the probability that in a random sample of 400 adults, more than 32% do not own a credit card? The probability is ___ (Round to four decimal places as needed.)
According to a survey in a country. 28% of adults do not own a credit card. Suppose a simple random sample of 400 adults is obtained. (b) What is the probability that in a random sample of 400 adults, more than 32% do not own a credit card? The probability is ___ (Round to four decimal places as needed.)
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
100%
According to a survey in a country. 28% of adults do not own a credit card. Suppose a simple random sample of 400 adults is obtained.
(b) What is the probability that in a random sample of 400 adults, more than 32% do not own a credit card?
The probability is ___
(Round to four decimal places as needed.)

Transcribed Image Text:According to a survey in a country, 28% of adults do not own a credit card. Suppose a simple random sample of 400 adults is obtained. Com
Click here to view the standard normal distribution table (page 1).
Click here to view the standard normal distribution table (page 2).
OB. Approximately normal because n ≤0.05N and np(1-p) < 10
OC. Not normal because n ≤0.05N and np(1-p) ≥ 10
D. Approximately normal because n ≤0.05N and np(1-p) ≥ 10
Determine the mean of the sampling distribution of p.
μ = 0.28 (Round to two decimal places as needed.)
P
Determine the standard deviation of the sampling distribution of p.
OA= 0.022 (Round to three decimal places as needed.).
Р
(b) What is the probability that in a random sample of 400 adults, more than 32% do not own a credit card?
The probability is
(Round to four decimal places as needed.).
v an example
Get more help -
Et
(38)
7₁ 101 √i
1.
More
Clear
64
Expert Solution

This question has been solved!
Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.
Step by step
Solved in 3 steps

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