Question

In the following problem, check that it is appropriate to use the normal approximation to the binomial. Then use the normal distribution to estimate the requested probabilities. It is known that 81% of all new products introduced in grocery stores fail (are taken off the market) within 2 years. If a grocery store chain introduces 60 new products, find the following probabilities. (Round your answers 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

Answer #1

In the following problem, check that it is appropriate to use
the normal approximation to the binomial. Then use the normal
distribution to estimate the requested probabilities.
It is known that 85% of all new products introduced in grocery
stores fail (are taken off the market) within 2 years. If a grocery
store chain introduces 66 new products, find the following
probabilities. (Round your answers to four decimal places.)
(a) within 2 years 47 or more fail
(b) within 2...

In the following problem, check that it is appropriate to use
the normal approximation to the binomial. Then use the normal
distribution to estimate the requested probabilities.
It is known that 78% of all new products introduced in grocery
stores fail (are taken off the market) within 2 years. If a grocery
store chain introduces 63 new products, find the following
probabilities. (Round your answers to four decimal places.)
(a) within 2 years 47 or more fail
(b) within 2...

In the following problem, check that it is appropriate to use
the normal approximation to the binomial. Then use the normal
distribution to estimate the requested probabilities.
It is known that 76% of all new products introduced in grocery
stores fail (are taken off the market) within 2 years. If a grocery
store chain introduces 62 new products, find the following
probabilities. (Round your answers to four decimal places.)
(a) within 2 years 47 or more fail
(b) within 2...

In the following problem, check that it is appropriate to use
the normal approximation to the binomial. Then use the normal
distribution to estimate the requested probabilities.
It is known that 77% of all new products introduced in grocery
stores fail (are taken off the market) within 2 years. If a grocery
store chain introduces 60 new products, find the following
probabilities. (Round your answers to four decimal places.)
(a) within 2 years 47 or more fail
(b) within 2...

In the following problem, check that it is appropriate to use
the normal approximation to the binomial. Then use the normal
distribution to estimate the requested probabilities.
It is known that 82% of all new products introduced in grocery
stores fail (are taken off the market) within 2 years. If a grocery
store chain introduces 69 new products, find the following
probabilities. (Round your answers to four decimal places.)
(a) within 2 years 47 or more fail
(b) within 2...

In the following problem, check that it is appropriate to use
the normal approximation to the binomial. Then use the normal
distribution to estimate the requested probabilities.
It is known that 75% of all new products introduced in grocery
stores fail (are taken off the market) within 2 years. If a grocery
store chain introduces 60 new products, find the following
probabilities. (Round your answers to four decimal places.)
(a) within 2 years 47 or more fail
(b) within 2...

In the following problem, check that it is appropriate to use
the normal approximation to the binomial. Then use the normal
distribution to estimate the requested probabilities.
It is known that 83% of all new products introduced in grocery
stores fail (are taken off the market) within 2 years. If a grocery
store chain introduces 68 new products, find the following
probabilities. (Round your answers to four decimal places.)
(a) within 2 years 47 or more fail
(b) within 2...

In the following problem, check that it is appropriate to use
the normal approximation to the binomial. Then use the normal
distribution to estimate the requested probabilities.
It is known that 84% of all new products introduced in grocery
stores fail (are taken off the market) within 2 years. If a grocery
store chain introduces 60 new products, find the following
probabilities. (Round your answers to four decimal places.)
(a) within 2 years 47 or more fail
(b) within 2...

In the following problem, check that it is appropriate to use
the normal approximation to the binomial. Then use the normal
distribution to estimate the requested probabilities. It is known
that 76% of all new products introduced in grocery stores fail (are
taken off the market) within 2 years. If a grocery store chain
introduces 68 new products, find the following probabilities.
(Round your answers to four decimal places.)
(a) within 2 years 47 or more fail Incorrect: Your answer...

In the following problem, check that it is appropriate to use
the normal approximation to the binomial. Then use the normal
distribution to estimate the requested probabilities.
Ocean fishing for billfish is very popular in the Cozumel region of
Mexico. In the Cozumel region about 41% of strikes (while trolling)
resulted in a catch. Suppose that on a given day a fleet of fishing
boats got a total of 26 strikes. Find the following probabilities.
(Round your answers to four...

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