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QUESTION 6 Suppose E(X) = 11 and E[ (x+1)21= 225. Find Var (X). O A. 9 OB. 121 O C. 202 O D. 81 O E. 411

QUESTION 6 Suppose E(X) = 11 and E[ (x+1)21= 225. Find Var (X). O A. 9 OB. 121 O C. 202 O D. 81 O E. 411

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.1: Measures Of Center
Problem 9PPS
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Hi there, Please please answer all the multiple question from the chooise below, no show work needed.  Thank you for quick response. 

QUESTION 6 Suppose E(X) = 11 and E[ (x+1)21= 225. Find Var (X). O A.9 OB.121 O C. 202 O D. 81 OE.11 QUESTION 7 If 3% of all cars fail an emissions inspection, find the probability that 3 cars will fail if 90 cars are inspected. Assume a Poisson probability function where lambda = 2.7. O A. 03 O B. 7795 O C. 2205 OD.9700 O E..0672
Transcribed Image Text:QUESTION 6 Suppose E(X) = 11 and E[ (x+1)21= 225. Find Var (X). O A.9 OB.121 O C. 202 O D. 81 OE.11 QUESTION 7 If 3% of all cars fail an emissions inspection, find the probability that 3 cars will fail if 90 cars are inspected. Assume a Poisson probability function where lambda = 2.7. O A. 03 O B. 7795 O C. 2205 OD.9700 O E..0672
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