A pathology lab does not deliver 10 percent of the test results in a timely manner. Suppose that in a given week, it delivered 351 test results to a certain hospital. Assuming that the test results are independent from one another, determine the following probabilities: np = n(1 − p) = = Both these values are bigger than Can we use the normal approximation to the binomial distribution (type YES or NO)? (a) At least 39 test results were not delivered in a timely manner. (b) Between 37 and 44 (inclusive) test results were not delivered in a timely manner. (c) Under 47 test results were not delivered in a timely manner.

A First Course in Probability (10th Edition)
10th Edition
ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
Chapter1: Combinatorial Analysis
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A pathology lab does not deliver 10 percent of the test results in a timely
manner. Suppose that in a given week, it delivered 351 test results to a certain
hospital. Assuming that the test results are independent from one another, determine
the following probabilities:
np =
n(1 − p) =
-
=
Both these values are bigger than
Can we use the normal approximation to the binomial distribution (type YES or NO)?
(a) At least 39 test results were not delivered in a timely manner.
(b) Between 37 and 44 (inclusive) test results were not delivered in a timely manner.
(c) Under 47 test results were not delivered in a timely manner.
Transcribed Image Text:A pathology lab does not deliver 10 percent of the test results in a timely manner. Suppose that in a given week, it delivered 351 test results to a certain hospital. Assuming that the test results are independent from one another, determine the following probabilities: np = n(1 − p) = - = Both these values are bigger than Can we use the normal approximation to the binomial distribution (type YES or NO)? (a) At least 39 test results were not delivered in a timely manner. (b) Between 37 and 44 (inclusive) test results were not delivered in a timely manner. (c) Under 47 test results were not delivered in a timely manner.
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