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Two perecent of calculators produced by Texas Intruments are defective. A batch of 300 calculators is tested to see if they are defective.
Also, what is the formula used for this problem?
A. Find the probability of exactly 5 calculators are defective.
B. Find the mean and standard deviation for the number of defective calculators in the batch.
C. Would it be unusual to find 12 defective calculators in the batch? Explain why showing calculations.
If an A is given to a student who scores 90% or above, what would the minimum z-score be for a 300 multiple choice question test with a mean of 195 and a standard deviation of 30?
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