The__________ method is a way of solving a system of equations using addition or subtraction to eliminate a variable.
1 answer:
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Answer:
Mean of the binomial distribution
μ = 174.972 bolts
Step-by-step explanation:
<u><em>Step(i):-</em></u>
Given that Bob tested 24 bolts that he randomly picked and found that 5 were defective
The proportion of the defective item
<u><em>Step(ii):-</em></u>
Let 'x' be a random variable in a binomial distribution
Mean of the binomial distribution
μ = np
μ = 840 ×0.280
μ = 174.972
<u><em>Final answer</em></u>:-
Mean of the binomial distribution μ = 174.972 bolts