Is the vice president is correct or not? Number of Credit Cards A bank vice president feelsthat each savings account customer has, on average,three credit cards. The following distribution representsthe number of credit cards people own. Find the mean,variance, and standard deviation. Is the vice presidentcorrect?Number ofcards X134Probability P(X)0.030.440.270.080.18O a.mean = 1.34, variance = 0.9244, standard deviation = 0.96 (Vice president is correct)b.mean = 1.94, variance = 1.356, standard deviation = 1.165 (Vice president is correct)O C.mean = 1.94, variance = 1.356, standard deviation = 1.165 (Vice president is not correct)O d.mean = 1.34, variance = 0.9244, standard deviation = 0.96 (Vice president is not correct)

Answered: Image /qna-images/answer/50841b53-006a-43f4-9806-2404b1050ceb.jpg

Number of Credit Cards A bank vice president feels that each savings account customer has, on average, three credit cards. The following distribution represents the number of credit cards people own. Find the mean, variance, and standard deviation. Is the vice president correct? Number of cards X 3 4 Probability P(X) 0.03 0.44 0.27 0.08 0.18 a. mean = 1.34, variance = 0.9244, standard deviation = 0.96 (Vice president is correct) O b. mean = 1.94, variance = 1.356, standard deviation = 1.165 (Vice president is correct) %3D mean = 1.94, variance = 1.356, standard deviation = 1.165 (Vice president is not correct) %3D d. mean = 1.34, variance = 0.9244, standard deviation = 0.96 (Vice president is not correct)

Number of Credit Cards A bank vice president feels that each savings account customer has, on average, three credit cards. The following distribution represents the number of credit cards people own. Find the mean, variance, and standard deviation. Is the vice president correct? Number of cards X 3 4 Probability P(X) 0.03 0.44 0.27 0.08 0.18 a. mean = 1.34, variance = 0.9244, standard deviation = 0.96 (Vice president is correct) O b. mean = 1.94, variance = 1.356, standard deviation = 1.165 (Vice president is correct) %3D mean = 1.94, variance = 1.356, standard deviation = 1.165 (Vice president is not correct) %3D d. mean = 1.34, variance = 0.9244, standard deviation = 0.96 (Vice president is not correct)

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018

18th Edition

ISBN:9780079039897

Author:Carter

Publisher:Carter

Chapter10: Statistics

Section10.4: Distributions Of Data

Problem 19PFA

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Question

Is the vice president is correct or not?

Number of Credit Cards A bank vice president feels
that each savings account customer has, on average,
three credit cards. The following distribution represents
the number of credit cards people own. Find the mean,
variance, and standard deviation. Is the vice president
correct?
Number of
cards X
1
3
4
Probability P(X)
0.03
0.44
0.27
0.08
0.18
O a.
mean = 1.34, variance = 0.9244, standard deviation = 0.96 (Vice president is correct)
b.
mean = 1.94, variance = 1.356, standard deviation = 1.165 (Vice president is correct)
O C.
mean = 1.94, variance = 1.356, standard deviation = 1.165 (Vice president is not correct)
O d.
mean = 1.34, variance = 0.9244, standard deviation = 0.96 (Vice president is not correct)

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