Married couple families make up 63% of households. We take a random sample of 150 families. a) Check if Central Limit Theorem (CLT) conditions for distribution of proportions to be normal are met. b) Find the mean ls and standard deviation of. c) Find probability that in a random sample of 150 families, more than 64% are married couple than families.
Married couple families make up 63% of households. We take a random sample of 150 families. a) Check if Central Limit Theorem (CLT) conditions for distribution of proportions to be normal are met. b) Find the mean ls and standard deviation of. c) Find probability that in a random sample of 150 families, more than 64% are married couple than families.
MATLAB: An Introduction with Applications
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ISBN:9781119256830
Author:Amos Gilat
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Section: Chapter Questions
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8. Married couple families make up 63% of households. We take a random sample of 150 families.
a) Check if Central Limit Theorem (CLT) conditions for distribution of proportions to be normal
are met.
b) Find the mean us and standard deviation og.
c) Find probability that in a random sample of 150 families, more than 64% are married couple
families.
9. Population distribution of height has a mean 160 cm and a standard deviation of 6 cm. We take
a random sample of 49 people.
a) Check if Central Limit Theorem (CLT) conditions for distribution of means to be normal are
met.
b) Find the mean ug and standard deviation og.
c) Find probability that in a random sample of 49 people, the sample mean of heights is less
than 159 cm.
10. 1085 young adults are randomly surveyed to find out if living in a single parent household as a teenager
puts one at an educational disadvantage. Results of the survey are summarized below.
Educational Disadvantage
Yes
No
Total
Lived in single parent household
239
205
444
201
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