A consumer group hoping to assess customer experiences with auto dealer surveys 167 people who recently bought new cars; 3% of them expressed dissatisfaction with the salesperson. We want to learn about the general opinion towards the salesperson. a) Please construct a 90% score confidence interval for the population proportion of dissatisfaction and interpret it.
b) Please construct a 90% traditional confidence interval.
c) If we want to control the width of the 90% score confidence interval to be within 0.02, how large a sample do we need? Please use the conservative method.
d) If we increase the confidence level from 90% to 95%, will the width of CI be increased or decreased? Why?

a function could be identified in 3 ways either on a chart,graph, or ordered pairs. first a function is that each point has its own. the rule is that there can be many x's to one y but there can not be 2 x's at different y's. so on a graph when you put a straight line through the y's there should be one dot only to be a function.

step-by-step explanation:

option (b) is correct

step-by-step explanation:

to find the solution of this system, we need to convert it into reduced row-echelon form. we have,

after applying row operations r2 -> r2/2 and r3 -> r3/3, we get,

$54.99

step-by-step explanation:

$54.99 includes 500 min. if she does not exceed 500 min then her bill is $54.99

hi there!

question 1 answer: p/q can be terminating when q = 5^m * 2^n

question 2 answer: -1 and -1

question 3 answer: -4

question 4 answer: 5/12

hope this : )