Question
In: Statistics and Probability
In the following problem, check that it is appropriate to use the normal approximation to the...
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.
More than a decade ago, high levels of lead in the blood put 86% of
children at risk. A concerted effort was made to remove lead from
the environment. Now, suppose only 15% of children in the United
States are at risk of high blood-lead levels.
(a) In a random sample of 220 children taken more than a decade
ago, what is the probability that 50 or more had high blood-lead
levels? (Round your answer to three decimal places.)
(b) In a random sample of 220 children taken now, what is the
probability that 50 or more have high blood-lead levels? (Round
your answer to three decimal places.)
Solutions
orchestra answered 1 year agoRelated Solutions
In the following problem, check that it is appropriate to use the normal approximation to the...
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.
Do you try to pad an insurance claim to cover your deductible?
About 43% of all U.S. adults will try to pad their insurance
claims! Suppose that you are the director of an insurance
adjustment office. Your office has just received 140 insurance
claims to be processed in the next few days. Find...
In the following problem, check that it is appropriate to use the normal approximation to the...
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.
Do you try to pad an insurance claim to cover your deductible?
About 39% of all U.S. adults will try to pad their insurance
claims! Suppose that you are the director of an insurance
adjustment office. Your office has just received 126 insurance
claims to be processed in the next few days. Find...
In the following problem, check that it is appropriate to use the normal approximation to the...
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. Do you try to
pad an insurance claim to cover your deductible? About 40% of all
U.S. adults will try to pad their insurance claims! Suppose that
you are the director of an insurance adjustment office. Your office
has just received 120 insurance claims to be processed in the next
few days. Find...
In the following problem, check that it is appropriate to use the normal approximation to the...
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.
Do you try to pad an insurance claim to cover your deductible?
About 36% of all U.S. adults will try to pad their insurance
claims! Suppose that you are the director of an insurance
adjustment office. Your office has just received 140 insurance
claims to be processed in the next few days. Find...
In the following problem, check that it is appropriate to use the normal approximation to the...
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. Do you try to pad an insurance claim to cover your
deductible? About 36% of all U.S. adults will try to pad their
insurance claims! Suppose that you are the director of an insurance
adjustment office. Your office has just received 124 insurance
claims to be processed in the next few days. Find...
In the following problem, check that it is appropriate to use the normal approximation to the...
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. Do you try to
pad an insurance claim to cover your deductible? About 45% of all
U.S. adults will try to pad their insurance claims! Suppose that
you are the director of an insurance adjustment office. Your office
has just received 124 insurance claims to be processed in the next
few days. Find...
In the following problem, check that it is appropriate to use the normal approximation to the...
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.
Do you try to pad an insurance claim to cover your deductible?
About 40% of all U.S. adults will try to pad their insurance
claims! Suppose that you are the director of an insurance
adjustment office. Your office has just received 140 insurance
claims to be processed in the next few days. Find...
In the following problem, check that it is appropriate to use the normal approximation to the...
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 42% of strikes (while trolling)
resulted in a catch. Suppose that on a given day a fleet of fishing
boats got a total of 29 strikes. Find the following probabilities.
(Round your answers to four...
In the following problem, check that it is appropriate to use the normal approximation to the...
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.
Do you try to pad an insurance claim to cover your deductible?
About 37% of all U.S. adults will try to pad their insurance
claims! Suppose that you are the director of an insurance
adjustment office. Your office has just received 138 insurance
claims to be processed in the next few days. Find...
In the following problem, check that it is appropriate to use the normal approximation to the...
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.
Do you try to pad an insurance claim to cover your deductible?
About 37% of all U.S. adults will try to pad their insurance
claims! Suppose that you are the director of an insurance
adjustment office. Your office has just received 138 insurance
claims to be processed in the next few days. Find...
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