Score: 0 of 1 pt HW Score: 95.24%, 40 of 42 pts 3.3.22 Question Help , The numbe
ID: 2907892 • Letter: S
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Score: 0 of 1 pt HW Score: 95.24%, 40 of 42 pts 3.3.22 Question Help , The number of responses to a survey are shown in the Pareto chart. The survey aked$6dits how much they trust socel networking websites with their personal information. Find the probability of randomly seledting each catogory Note that the last category is unsure (U). (a) Trusts social networking websites a moderate (M) amount (b) Trusts social networking websites completely (C) (c) Trusts social networking websites a lot (A) or completely (C) (d) Does not trust social networking websites at all (N) or only a little (L from the samale that moot 139 27 (a) The probability that a randomly selected person trusts social networking websitesa (Round to three decimal places as needed.) Enter your answer in the answer box and then click Check Answer partsExplanation / Answer
Probability = Number of favorable outcome / Total outcome.
1)
Proabability that a randomly selected person trusts social networking websites a moderate(M) amount is,
P( M ) =139/ 556 = 0.25
2)
Proabability that a randomly selected person trusts social networking websites completely (C) is,
P( C ) =27/556 = 0.049
3)
Proabability that a randomly selected person trusts social networking websites a lot ( A ) or completelty ( c ) ,
P( A or C ) = ( 51 + 27 ) / 556 = 0.140
4)
Proabability that a randomly selected person does not trusts social networking websites at all ( N ) or only little ( L) =1 - P( trusts social networking websites at all ( N ) or only little ( L) )
P( trusts social networking websites at all ( N ) or only little ( L) ) = (177+155)/556 = 0.597
So,
Proabability that a randomly selected person does not trusts social networking websites at all ( N ) or only little ( L) is,
= 1 - 0.597 = 0.403
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