Suppose a study of speeding violations and drivers who use cell phones produced the followingdata:Use cell phone while drivingDoes not use cell phone whiledrivingSpeeding violation in the last No speeding violation in thelast yearyear[Solert 1506019 that the chosen anvenis a cell phone295430viosionther one he i noWhat is the probability that the chosen person uses a cell phone while driving?✓ [Select]69/14569/16798/14559/145

To find: The probability that the chosen person uses a cell phone while driving.

Answered: Suppose a study of speeding violations…

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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i need help answering questions 1 and 2 that go along with picture... 1. P(four or more cell phones)= (Round to three decimal places as needed.) 2. Is it unlikely for a household to have four or more cell phones in use? A. Yes, because the probability of a respondent with four or more cell phones in use is greater than0.05. B.No, because the probability of a respondent with four or more cell phones in use is greater than 0.05. C.No,because the probability of a respondent with four or more cell phones in use is less than or equal to 0.05. D.Yes,because the probability of a respondent with four or more cell phones in use is less than or equal to0.05.
Use the central limit theorem (CLT) to determine the probability ? that the mean taxable wages in James' sample of 50 counties will be less than $26 million. μ=28.29 ?=33.493
9) Coal is carried from a mine in West Virginia to a power plant in New York in hopper cars on a long train. The automatic hopper car loader is set to put 85 tons of coal in each car. The actual weights of coal loaded into each car are normally distributed, with mean u = 85 tons and standard deviation o = 1.2 ton. a) What is the probability that a car chosen at random will have less than 83.5 tons of coal? ode Jedanocon vebol Au oloe ( g laenuoo of el dot 92orw 191ow lsiooe s al oA.21sbnatto emod ton asob nooeg s ansem 2200ue b) What is the probability that 20 cars chosen at random will have a mean load weight i of less dedotg sni bni ts noale lle to 08 ng A nevig need 2ed opilA abnatto isegsi than 83.5 tons of coal? quo1g eaollA ai aeelonsq to 1edmun babsgke arb ai terlW (d Snoiteivsb bisbnale e sW Sansbnotto 10) Suppose x has a normal distribution with o = 6. A random sample of sizen = 16 has sample mean 50. a) Is it appropriate to use a normal distribution to compute a confidence…
ased on long experience, an airline found that about 4% of the people making reservations on a flight from Miami to Denver do not show up for the flight. Suppose the airline overbooks this flight by selling 265 ticket reservations for an airplane with only 255 seats. (a) What is the probability that a person holding a reservation will show up for the flight?(b) Let n = 265 represent the number of ticket reservations. Let r represent the number of people with reservations who show up for the flight. What expression represents the probability that a seat will be available for everyone who shows up holding a reservation? P(r ≥ 255)P(r ≤ 265) P(r ≤ 255)P(r ≥ 265) (c) Use the normal approximation to the binomial distribution and part (b) to answer the following question: What is the probability that a seat will be available for every person who shows up holding a reservation? (Round your answer to four decimal places.)
assuming that the characteristics listed above are independent of each other, what is the probability that a randomly selected couple has all these characteristics? calculate the probability.
according to a recent poll, 95% of millenials (people born between 1981 and 1995) have a profile on a social networking site. Let X = the number of millenials you ask until you find a person without a profile on a social networking site. A) Find the mean and standard deviation of X. B)What is the probability that you must ask ten people to find one person without a social networking site? C) What is the probability that you must ask 20 people to find one person without a social networking site? D) What is the probability that you must ask at most five people?
Let X denote the waiting time (in minutes) for a customer. An assistant manager claims that μ, the average waiting time of the entire population of customers, is 2 minutes with standard deviation also 2 minutes. The manager doesn't believe his assistant's claim, so he observes a random sample of 36 custoers. The average waiting time for the 36 customers is 3.2 minutes. What is the probability that the average of 36 customers is 3.2 minutes or more? Do you think that assistant manager's claim that the mean is 2 minutes is correct?
[13] How does p-value relate to null hypothesis? a. Reference for making decisions about the null hypothesis b. Illustrates how bad the null hypothesis was crafted c. Provides a scale to check the validity of the null hypothesis d. All of the above
2 lustration 16.42. An urn contains 4 white and 6 black balls and another urn contains 8 white and 9 black balls. A ball is drawn from the first urn and put into the second and then a ball is drawn from the second. Find the probability that the ball drawn from the second urn is white CS Scanned with CamScanner
a) What is the probability that a randomly selected adult in the U.S. has at least one grandparent who was born outside of the U.S.? b) find the expected number of grandparents who were born outside of the U.S. that a randomly selected adult in this country has. (Find the mean of X) c) find the standard deviation of X. Round to 4 decimal places.
Q5 A tire manufacturer warranties its tires to last at least 20217 miles or “you get a new set of tires.” In its experience, a set of these tires lasts on average 26217 miles with standard deviation 5062 miles. Assume that the wear is normally distributed. The manufacturer profits Rs. 200 on each set sold, and replacing a set costs the manufacturer Rs. 400. a) What is the probability that a set of tires wears out before 20217 miles? b) What is the probability that a set of tires wears out before 24217 miles and after 20217 miles? c) What is the cutoff value in terms of miles of the top 31% wearing out tires.
A survey found that people keep their automo- biles an average of 3.2 years. The standard de- viation is 0.82 year. If a person enters an automobile dealer's store, find the probability that 7 the person has owned the automobile the fol- lowing amount of time 18- a. Less than 1 year b. Between 2 and 3 years c. More than 3 years

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