(b) Find μ (in terms of the number of syringes). (Enter a number. Enter your answer to two decimal places.) μ = syringes What is the expected number of defective syringes the inspector will find? (Enter a number. Enter your answer to two decimal places.) syringes (c) What is the probability that the batch will be accepted? (Enter a number. Round your answer to three decimal places.) (d) Find σ (in terms of the number of syringes). (Enter a number. Round your answer to three decimal places.) σ = syringes

MATLAB: An Introduction with Applications
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ISBN:9781119256830
Author:Amos Gilat
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Chapter1: Starting With Matlab
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I need help with B, C, and D ONLY. 

The quality-control inspector of a production plant will reject a batch of syringes if two or more defective syringes are found in a random sample of twelve syringes taken from the batch. Suppose the batch contains 5% defective syringes.

(a)

Make a histogram showing the probabilities of r = 0, 1, 2, 3, …, 11and 12 defective syringes in a random sample of twelve syringes.(Select the correct graph.)
    

(b)

Find μ (in terms of the number of syringes). (Enter a number. Enter your answer to two decimal places.)
μ = syringes

What is the expected number of defective syringes the inspector will find? (Enter a number. Enter your answer to two decimal places.)
syringes

(c)

What is the probability that the batch will be accepted? (Enter a number. Round your answer to three decimal places.)


(d)

Find σ (in terms of the number of syringes). (Enter a number. Round your answer to three decimal places.)
σ = syringes
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