Question

the unEmployment rate in a City is 14%. If 6 people from the city are sampled at random find the probability that fewer than three of them are unemployed. carry your immediate computations to least four decimal places and Round your answer to two decimal places

Answer 1

X: number of unemployed person.

X~ bin (n,p)

where,

p = unemployment rate = 14 % = 0.14

q = (1-p) = (1-0.14) = 0.86

n = number of persons sampled = 6

the pmf be as follows:-

the probability that fewer than 3 of them are unemployed be:-

0.96

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