Question: Check to use normal approximation to the binomial. Then use the normal distribution to estimate the requested probabilities. It is known that 80% of all
Check to use normal approximation to the binomial. Then use the normal distribution to estimate the requested probabilities. It is known that 80% of all new products introduced in grocery stores fail within 2 years. The grocery store chain introduces 69 new products, find the following probabilities. ( round your answer to four decimal places)

(a) within 2 years 47 or more fail (b) within 2 years 58 or fewer fail (c) within 2 years 15 or more succeed (d) within 2 years fewer than 10 succeed
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