Mathematics, 03.12.2019 03:10 viktoria1198zz

# According to a survey, 67% of murders committed last year were cleared by arrest or exceptional means. fifty murders committed last year are randomly selected, and the number cleared by arrest or exceptional means is recorded.

a) find the probability that exactly 41 murders were cleared.

b)the probability that between 36 and 38 of the murders, inclusive were cleared is?

c) would it be unusual if fewer than 20 of the murders were cleared? why or why not?

Answers: 3

Mathematics, 03.02.2019 04:47

Aball is dropped from a height of 10m above the ground. it bounce to 90% of its previous height on each bounce. what is the approximate height that the ball bounce to the fourth bounce?

Answers: 2

According to a survey, 67% of murders committed last year were cleared by arrest or exceptional me...

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