The lifetime of LCD TV sets follows an exponential distribution with a mean of 100,000 hours. Compute the probability a television seta. Fails in less than 10,000 hours. (Round your answer to 4 decimal places.)Probabilityb. Lasts more than 120,000 hours. (Round your answer to 4 decimal places.)Probabilityc. Fails between 60,000 and 100,000 hours of use. (Round your answer to 4 decimal places.)Probability

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Answered: The lifetime of LCD TV sets follows an…

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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Is the probability of a bowler rolling a strike higher after he has thrown four consecutive strikes? Researchers investigated the phenomenon of a "hot hand" in bowling. Frame-by-frame results were collected on 43 professional bowlers. For each bowler, the researchers calculated the proportion of strikes rolled after bowling four consecutive strikes and the proportion after bowling four consecutive nonstrikes. The data on 4 of the 43 bowlers are shown in the accompanying table. Complete parts a and b. Click the icon to view the data table. Click the icon to view a table of critical values for the Wilcoxon signed rank test. a. Do the data on the sample of four bowlers provide support for the "hot hand" theory in bowling? Explain. (Let the differences be After Four Strikes - After Four Nonstrikes.) Set up the null and alternative hypotheses. Ho: The distribution of the proportion of strikes rolled after bowling four consecutive strikes is H₂: The distribution of the proportion of strikes…
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62% of all bald eagles survive their first year of life. Give your answers as decimals, not percent. If 31 bald eagles are randomly selected, find the probability that A. Exactly 20 of them survive their first year of life. B. At least 18 of them survive their first year of life. C. Between 15 and 21 (including 15 and 21) of them survive their first year of life.
Waiting times in a supermarket cashier desk follow an exponential distribution with a mean of 40 seconds. Calculate the probability a custome waits A). Between 35 and 76 seconds. (Round your answer to 4 decimal places. B). Fifty percent of the customers wait less than how many seconds? What is the median? (Round your answer to 2 decimal places.) Median seconds
For each probability and percentile problem, draw the picture.The time (in years) after reaching age 60 that it takes an individual to retire is approximately exponentially distributed with a mean of about 6 years. Suppose we randomly pick one retired individual. We are interested in the time after age 60 to retirement. In a room of 1,000 people over age 79, how many do you expect will NOT have retired yet? (Round your answer to the nearest whole number.) people
use each described binomial probability distribution to calculate the cumulative probability requested. The probability of a high school student in America wearing jeans to school on a particular day is 40%. Leon stood by the doorway of his classroom and recorded whether the next 10 students who entered the classroom were wearing jeans.
George is a big fan of music from the 1960s, and 22% of the songs on his iPod are Beatles songs. Suppose George sets his iPod to "shuffle," so that it selects songs randomly (assume the shuffle function permits repetition of songs). During a long drive, George plays 50 randomly selected songs. Calculate the probability that more than 30% of the 50 randomly selected songs are Beatles songs. Round your answer to four decimal places.
Please read the question because the question is asking for more than one thing. Thank you.
The probability that a certain make of car will need repairs in the first six months is 0.36 . A dealer sells 6 such cars. What is the probability that at least one of them will require repairs in the first six months?Write only a number as your answer. Round your answer to four decimal places (for example: 0.7319). Do not write as a percentage.
76% of all bald eagles survive their first year of life. Give your answers as decimals, not percents. If 30 bald eagles are randomly selected, find the probability that (a) At most 22 of them survive their first year of life. 0.73 (b) At least 23 of them survive their first year of life. (c) Exactly 21 of them survive their first year of life. X
80% of all bald eagles survive their first year of life. If 35 bald eagles are randomly selected, find the probability that a. Exactly 27 of them survive their first year of life. b. At most 30 of them survive their first year of life. c. At least 26 of them survive their first year of life. d. Between 23 and 31 (including 23 and 31) of them survive their first year of life. Round all answers to 4 decimal places.
use each described binomial probability distribution to calculate the cumulative probability requested. The probability of a high school student in America wearing jeans to school on a particular day is 40%. Leon stood by the doorway of his classroom and recorded whether the next 10 students who entered the classroom were wearing jeans.

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