5.362 households were surveyed. The findings are summarized in the following table.Have at least oneDo not have anymaxed-out credit cardmaxed-out credit cardsHomeowner9970Home renter11380a. What is the probability that a randomly selected household has at least one maxed-outcredit card? Consider only 3 decimals for your final answer. b. What is the probability that a randomly selected household owns their house? Consideronly 3 decimals for your final answer.c. Are the events that a household has at least one maxed-out credit card and they own theirhouse independent? Justify your answer.Note: in parts a. and b. probability is the same as proportion.

(a) Obtain the probability that a randomly selected household has at least one maxed-out credit…

Answered: 5. 362 households were surveyed. The…

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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9. To investigate how often families eat at home, a researcher surveyed 100 adults living with children under the age of 18 years. The survey results are shown below. What is the probability that a randomly selected family eats at least two meals at home per week? Number of Meals eaten at home per week 0 1 2 3 or more Number of Survey Responses 25 30 25 20
8. Find the probability of selecting two 8s when two cards are drawn (without replacement) from a standard deck of cards. 1. 221 221 3. 676 1 676 9. Use the following scenario and frequency table to answer the question Savannah wants to keep in touch with classmates and friends over th
When studying radioactive material, a nuclear engineer found that over 365 days, 1,000,000 radioactive atoms decayed to 975,073 radioactive atoms, so 24,927 atoms decayed during 365 days. a. Find the mean number of radioactive atoms that decayed in a day. b. Find the probability that on a given day, 50 radioactive atoms decayed. a. The mean number of radioactive atoms that decay per day is. (Round to three decimal places as needed.)
1. The ages of all males from the freshmen students in the University of Santo Tomas is a/an ___________. a. frequency b. sample c. statistic d. population 2. If the probability of a defective bolt is 0.1, determine the mean for the number of defective bolts in a total of 400 bolts. Is the answer 40?
4.c
According to CTIA, 41% of all U.S. households are wireless-only households (no landline). Choose four households at random. A. What is the probability that at least two will be wireless-only? B. What is the probability that none of them will be wireless-only? C. What is the probability that least 1 of them will be wireless-only? D. Find the mean and standard deviation for the number of households that are wireless-only.
When studying radioactive material, a nuclear engineer found that over 365 days, 1,000,000 radioactive atoms decayed to 974,425 radioactive atoms, so 25,575 atoms decayed during 365 days. a. Find the mean number of radioactive atoms that decayed in a day. b. Find the probability that on a given day, 52 radioactive atoms decayed.
Consider rolling a 6 sided die three times. Determine the probability that 4 will turn up (binomial distribution) a. 0 times b. once c. twice
An auditor for Health Maintenance Services of Georgia reports 40 percent of policyholders 55 years or older submit a claim during the year. Twenty policyholders are randomly selected for company records. (Binomial Dist.) a. How many of the policyholders would you expect to have filed a claim within the last year? ie. The mean value. b. What is the probability that 10 of the selected policyholders submitted a claim last year? c. What is the probability that 10 or more of the selected policyholders submitted a claim last year?
Select the correct choice below and fill in the answer boxes to complete your choice (Type integers or decimals. Do not round.) A. One can be % confident that the mean drive-through service time of Taco Bell is between seconds and seconds. B. The mean drive-through service time of Taco Bell is of the time. OC. There is a seconds OD. One can be Taco Bell is % % probability that the mean drive-through service time of Taco Bell is between seconds and seconds % confident that the mean drive-through service time of seconds
1. You want to test to see if the claim is correct. A math teacher claims the probability that a person picked at random in Philadelphia is visiting the city is less than 40%.
Seventy-five percent of the students applying to a university are accepted. Using the binomial probability tables, what is the probability that among the next 18 applicants d. Fifteen or more will be accepted? e. Determine the expected number of acceptances. f. Compute the standard deviation.

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