Question

In: Statistics and Probability

1.Given a sample of the following values, what is the variance and standard deviation? {15, 5,...

1.Given a sample of the following values, what is the variance and standard deviation? {15, 5, 14, 11, 5}

2.

Given the Contingency table below, calculate the probability that an individual drawn randomly would be Under 40 and wants a Smart Phone as a prize.

Table of Prize Choice by Age

Chosen Device

Smart Phone

Smart Watch

Totals

Ages

Under 40

30

80

110

40 and Up

50

40

90

Totals

80

120

200

Solutions

Expert Solution

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hii... although I am trying to provide the detailed answer but if you have any doubt please ask by comment. your rating encourage us to provide the detailed and effective answers so please like the answer. thanks


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