NameK Palaaios(Round all answers three decimal places.)1) A company audit showed that of 867 bills that were sent out, 565 were paid on time, 122 were paidup to 30 days late, 75 were paid between 31 and 90 days late, and 105 remained unpaid after 90days. One bill is selected at random.a) What is the probability that the bill was paid on time?b) What is the probability that the bill was paid, but it was paid late?c) What is the probability that the bill was unpaid after 90 days?2) A baseball pitcher threw 3848 pitches during part of a recent season. Of these, 1372 were thrownwith no strikes on the batter, 961 were thrown with one strike, and 1515 were thrown with twostrikes.Find the following:a) P(A baseball pitch is thrown with no strikes) =b) P(A baseball pitch thrown with fewer than two strikes)=3) In a survey 46,281 women were asked how many children they had. The results were as follows.Number of children1348 or moreNumber of women12,5747,49311.2827,1243,7781,811924523772a) P(sampled woman has exactly 4 children)?b) P(Sampled woman has more than 3 children)?c) Assume this is a simple random sample of U.S. women. Use the Empirical Method to estimate theprobability that a woman has more than seven children.d) Using a cutoff of 0.05, is it unusual for a woman in the survey to have no children?(Hint: Find the probability the woman has no children.)

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Name (Round all answers three decimal places.) 1) A company audit showed that of 867 bills that were sent out, 565 were paid on time, 122 were paid up to 30 days late, 75 were paid between 31 and 90 days late, and 105 remained unpaid after 90 days. One bill is selected at random. a) What is the probability that the bill was paid on time? b) What is the probability that the bill was paid, but it was paid late? c) What is the probability that the bill was unpaid after 90 days?

Name (Round all answers three decimal places.) 1) A company audit showed that of 867 bills that were sent out, 565 were paid on time, 122 were paid up to 30 days late, 75 were paid between 31 and 90 days late, and 105 remained unpaid after 90 days. One bill is selected at random. a) What is the probability that the bill was paid on time? b) What is the probability that the bill was paid, but it was paid late? c) What is the probability that the bill was unpaid after 90 days?

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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Concept explainers

Contingency Table

A contingency table can be defined as the visual representation of the relationship between two or more categorical variables that can be evaluated and registered. It is a categorical version of the scatterplot, which is used to investigate the linear relationship between two variables. A contingency table is indeed a type of frequency distribution table that displays two variables at the same time.

Binomial Distribution

Binomial is an algebraic expression of the sum or the difference of two terms. Before knowing about binomial distribution, we must know about the binomial theorem.

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Question

NameK Palaaios
(Round all answers three decimal places.)
1) A company audit showed that of 867 bills that were sent out, 565 were paid on time, 122 were paid
up to 30 days late, 75 were paid between 31 and 90 days late, and 105 remained unpaid after 90
days. One bill is selected at random.
a) What is the probability that the bill was paid on time?
b) What is the probability that the bill was paid, but it was paid late?
c) What is the probability that the bill was unpaid after 90 days?
2) A baseball pitcher threw 3848 pitches during part of a recent season. Of these, 1372 were thrown
with no strikes on the batter, 961 were thrown with one strike, and 1515 were thrown with two
strikes.
Find the following:
a) P(A baseball pitch is thrown with no strikes) =
b) P(A baseball pitch thrown with fewer than two strikes)=
3) In a survey 46,281 women were asked how many children they had. The results were as follows.
Number of children
1
3
4
8 or more
Number of women
12,574
7,493
11.282
7,124
3,778
1,811
924
523
772
a) P(sampled woman has exactly 4 children)?
b) P(Sampled woman has more than 3 children)?
c) Assume this is a simple random sample of U.S. women. Use the Empirical Method to estimate the
probability that a woman has more than seven children.
d) Using a cutoff of 0.05, is it unusual for a woman in the survey to have no children?
(Hint: Find the probability the woman has no children.)

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