Question

Given the following probability Distribution, find the standard deviation

          X     P(X)

          0      0.422

          1      0.422  

          2      0.141

          3      0.016

Group of answer choices

1.006

1.078

0.1142

0.2569

0.7513

Question 5

A survey showed that 59% of internet users are concerned about the confidentiality of their email. Based on this information, what is the probability that for a random sample of 10 internet users, 6 are concerned about the privacy of their email?

Group of answer choices

0.5567

0.4258

0.6078

0.2503

0.7501

Answer 1

Question 1)

  

=0.752

=1.13

  

=0.7513

Question 5)

We have here , n = 10 , p = 0.59

=0.2503