Question 4. The New York Times reported that in America, 40% of first marriages end in divorce. Assuming that the trials are independent, find the probability that in a random sample of 5 first marriages, at most one ends in divorce. (a) 0.259 (b) 0.337 (c) 0.663 (d) 0.741

MATLAB: An Introduction with Applications
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ISBN:9781119256830
Author:Amos Gilat
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Question 4. The New York Times reported that in America, 40% of first
marriages end in divorce. Assuming that the trials are independent, find the
probability that in a random sample of 5 first marriages, at most one ends
in divorce.
(a) 0.259
(b) 0.337
(c) 0.663
(d) 0.741
Question 5. Calculate the probability that z is between -1.20 and 1.85 for
a standard normal distribution. That is, find P(-1.20 < z < 1.85).
(a) 0.1151
(b) 0.8527
(c) 0.8849
(d) 0.9678
Question 6. A survey to determine the number of pets one owns will collect
which type of data?
(a) qualitative
(b))discrete
atementa
(c) bivariate
(d) continuous
Transcribed Image Text:Question 4. The New York Times reported that in America, 40% of first marriages end in divorce. Assuming that the trials are independent, find the probability that in a random sample of 5 first marriages, at most one ends in divorce. (a) 0.259 (b) 0.337 (c) 0.663 (d) 0.741 Question 5. Calculate the probability that z is between -1.20 and 1.85 for a standard normal distribution. That is, find P(-1.20 < z < 1.85). (a) 0.1151 (b) 0.8527 (c) 0.8849 (d) 0.9678 Question 6. A survey to determine the number of pets one owns will collect which type of data? (a) qualitative (b))discrete atementa (c) bivariate (d) continuous
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