Dinner at Home. Choose a parent with children under age 18 in the United Statesat random and ask, "How many nights a week out of seven does your family eatdinner together at home?" Call the response X for short. Based on a large samplesurvey, here is a probability model for the answer you will get:0Nights1346.7Probability 0.050.000.070.080.100.170.150.38(a) Verify that this is a valid finite probability model.(b) Describe the event X<4 in words. What is P(X<4)?(c) Express the event "eat dinner together at home at least once a week" in termsof X. What is the probability of this event?

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Answered: Dinner at Home. Choose a parent with…

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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A dormitory on campus houses 100 students. 42 are male, and 40% are KINE majors. A student is selected at random. The probability of selecting a female, and a KINE major? Provide either a percentage (1 decimal) or a fraction with three decimal places. Answer:
Organ Donors USA Today provided information about a survey of 5100 adult Internet users. Of the respondents, 2346 said they are willing to donate organs after death. In this survey conducted for Donate Life America, 100 adults were surveyed in each state and the District of Columbia, and results were weighted to account for the different state population sizes. a. What percentage of respondents said that they are willing to donate organs after death? b. Based on the poll results, what is the probability of randomly selecting an adult who is willing to donate organs after death? c. What term is used to describe the sampling method of randomly selecting 100 adults from each state and the District of Columbia?
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In an experiment, college students were given either four quarters or a $1 bill and they could either keep the money or spend it on gum. The results are summarized in the table. Complete parts (a) through (c) below. Purchased Gum Kept the Money Students Given Four Quarters 29 15 Students Given a $1 Bill 18 27 a. Find the probability of randomly selecting a student who spent the money, given that the student was given a $1 bill. The probability is (Round to three decimal places as needed.) b. Find the probability of randomly selecting a student who kept the money, given that the student was given a $1 bill. The probability is (Round to three decimal places as needed.) c. What do the preceding results suggest? A. A student given a $1 bill is more likely to have kept the money than a student given four quarters. B. A student given a $1 bill is more likely to have spent the money than a student given four quarters. O C. A student given a $1 bill is more likely to have kept the money. O D.…
In an experiment, college students were given either four quarters or a $1 bill and they could either keep the money or spend it on gum. The results are summarized in the table. Complete parts (a) through (c) below. Purchased Gum Kept the Money Students Given Four Quarters Students Given a $1 Bill 26 13 18 35 a. Find the probability of randomly selecting a student who spent the money, given that the student was given four quarters. The probability is. (Round to three decimal places as needed.) b. Find the probability of randomly selecting a student who kept the money, given that the student was given four quarters. The probability is (Round to three decimal places as needed.) c. What do the preceding results suggest?
In an experiment, college students were given either four quarters or a $1 bill and they could either keep the money or spend it on gum. The results are summarized in the table. Complete parts (a) through (c) below. Purchased Gum Kept the Money Students Given Four Quarters 34 16 Students Given a $1 Bill 15 31 a. Find the probability of randomly selecting a student who spent the money, given that the student was given a $1 bill. The probability is . (Round to three decimal places as needed.) b. Find the probability of randomly selecting a student who kept the money, given that the student was given a $1 bill. The probability isO: (Round to three decimal places as needed.) c. What do the preceding results suggest? O A. A student given a $1 bill is more likely to have spent the money than a student given four quarters. O B. A student given a $1 bill is more likely to have kept the money than a student given four quarters. OC. A student given a $1 bill is more likely to have kept the…
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In an experiment, college students were given either four quarters or a $1 bill and they could either keep the money or spend it on gum. The results are summarized in the table. Complete parts (a) through (c) below. Purchased Gum Kept the Money Students Given Four Quarters 27 16 Students Given a $1 Bill 12 35 a. Find the probability of randomly selecting a student who spent the money, given that the student was given a $1 bill. The probability is (Round to three decimal places as needed.) b. Find the probability of randomly selecting a student who kept the money, given that the student was given a $1 bill. The probability is (Round to three decimal places as needed.) c. What do the preceding results suggest? A. A student given a $1 bill is more likely to have kept the money than a student given four quarters. B. A student given a $1 bill is more likely to have spent the money. C. A student given a $1 bill is more likely to have spent the money than a student given four quarters. D. A…
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Instructor-created question Question Help ▼ During a flu epidemic 20% of children get the flu. Answer the following using 9 digits to the right of the decimal point. In a randorm sample of 10 children, find the probability that: (a) exactly 3 get the flu. Answer: (b) less than 3 get the flu. Answer: (c) at most 2 get the flu: Answer: (d) at least 3 get the flu: Answer: orrect: ry Enter your answer in the edit fields and then click Check Answer. All parts showing Clear All Check Answer Us I

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