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. Click here to view the standard normal distribution table (page 1). Click here to view the standard normal distribution table (page 2). HA= 0.28 (Round to two decimal places as needed.) P Determine the standard deviation of the sampling distribution of p. 0 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 0.0345. (Round to four decimal places as needed.) Interpret this probability. If 100 different random samples of 400 adults were obtained, one would expect 3 to result in more than 32% not owning a credit card. (Round to the nearest integer as needed.) (c) What is the probability that in a random sample of 400 adults, between 27% and 32% do not own a credit card? The probability is 0.. (Round to four decimal places as needed.). A

Calculus For The Life Sciences
2nd Edition
ISBN:9780321964038
Author:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Publisher:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Chapter13: Probability And Calculus
Section13.3: Special Probability Density Functions
Problem 10E
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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. (C) What is the probability that in a random sample of 400 adults, between 27% and 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. C
Click here to view the standard normal distribution table (page 1).
Click here to view the standard normal distribution table (page 2).
HA=0.28 (Round to two decimal places as needed.)
P
Determine the standard deviation of the sampling distribution of p.
0A = 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 0.0345.
(Round to four decimal places as needed.)
Interpret this probability.
If 100 different random samples of 400 adults were obtained, one would expect 3 to result in more than 32% not owning a credit card.
(Round to the nearest integer as needed.)
(c) What is the probability that in a random sample of 400 adults, between 27% and 32% do not own a credit card?
The probability is 0.
(Round to four decimal places as needed.)
an example Get more help -
40
FH
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. C Click here to view the standard normal distribution table (page 1). Click here to view the standard normal distribution table (page 2). HA=0.28 (Round to two decimal places as needed.) P Determine the standard deviation of the sampling distribution of p. 0A = 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 0.0345. (Round to four decimal places as needed.) Interpret this probability. If 100 different random samples of 400 adults were obtained, one would expect 3 to result in more than 32% not owning a credit card. (Round to the nearest integer as needed.) (c) What is the probability that in a random sample of 400 adults, between 27% and 32% do not own a credit card? The probability is 0. (Round to four decimal places as needed.) an example Get more help - 40 FH
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Calculus For The Life Sciences
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ISBN:
9780321964038
Author:
GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Publisher:
Pearson Addison Wesley,