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 126 insurance
claims to be processed in the next few days. Find the following
probabilities. (Round your answers to four decimal places.)
(a) half or more of the claims have been padded
0.0563 (incorrect)
(b) fewer than 45 of the claims have been padded
0.0495 (incorrect)
(c) from 40 to 64 of the claims have been padded
0.9562 (incorrect)
(d) more than 80 of the claims have not been padded
0 (incorrect)
I got all of them wrong and I need help what the answer is.
normal approximation to the binomial can be use only if
np ≥ 5 and n(1 − p) ≥ 5
Here, 126*0.43>5 and 126*0.57>5
Mean = 0.43*126 = 54.18
Std = (126*0.43*0.57)^0.5 = 5.5572
a)
P(x>63)
b)
P(x<45)
c)
P(40<x<64)
d)
P(x<80) = 1.000
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 128 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 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 130 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 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 124 insurance claims to be processed in the next few days. Find...
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