Suppose that a company selects two people who work independently inspecting two-by-four timbers. their job is to identify low-quality timbers. suppose that the probability that an inspector does not identify a low-quality timber is 0.20. (a) what is the probability that both inspectors do not identify a low-quality timber? (b) how many inspectors should be hired to keep the probability of not identifying a low-quality timber below 1%? (c) interpret the probability from part (a).

Step-by-step explanation:

Given

Probability that an inspector doe not identify  low-quality timber=0.20

(a)Probability that both inspector do not identify a low quality timber

(b)Let n be the no of inspector

Probability should be less than  1%=0.01

so

Taking both sides

x>2.861

thus minimum value of x is 3

(c)From part b it is clear that minimum 3 officer are required to to keep the low  quality timber below 1%

on an average 2 officer are not sufficient to identify 4 low quality timber out of 100

55% are girls and 45% are boys : ) hope this

step-by-step explanation:

answer: a. 13/44

step-by-step explanation: judging by the information given to us, we are looking for experimental probability. we can see that 13 males have chosen chocolate ice cream. there are 44 ice creams in total (remember that the total is always the denominator). so our answer is 13/44.