LoL: In the computer game League of Legends, some of the strikes are critical strikes, which do more damage. Assume that the probability of a critical strike isthe same for every attack and that attacks are independent. Assume that a character has 244 critical strikes out of 593 attacks.Part: 0 / 3Part 1 of 3(a) Construct an 80% confidence interval for the proportion of strikes that are critical strikes. Round the answers to at least three decimal places.

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Answered: LoL: In the computer game League of…

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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In a recent year, 6% of cars sold had a manual transmission. A random sample of college students who owned cars revealed the following: out of 124 cars, 25 had manual transmissions. Estimate the proportion of college students who drive cars with manual transmissions with 90% confidence. Round intermediate and final answers to at least three decimal places.
Question
A sociologist is comparing the proportion of teenage boys who receive a text message at least once an hour to the percentage of teenage girls who do. She has collected data from 150 men and 150 women. Which of the following is not a condition that the sociologist should check before creating a confidence interval for the difference in population proportions?
At the beginning of the semester we collected some data from you. Two of the questions on the survey were about gender and whether or not you have equal, more, or less energy in the afternoon compared to the morning. Below are the results. Equal Less More Female 18 37 24 Male 9 15 23 Assuming that gender and energy levels are not associated, what is the expected value for the number of males who have equal energy in the afternoon as the morning?
Suppose you compute a 93% confidence interval. What will happen to the confidence interval if you decrease the confidence level to 91%?
Explain what "98% confidence" means in a 98% confidence interval. What does "98% confidence" mean in a 98% confidence interval? CHU OA. If 100 different confidence intervals are constructed, each based on a different sample of size n from the same population, then we expect 98 of the intervals to include the parameter and 2 to not include the parameter. OB. The confidence interval includes 98% of all possible values for the parameter OC. The probability that the value of the parameter lies between the lower and upper bounds of the interval is 98%. The probability that it does not is 2% OD. The value of the parameter lies within 98% of a standard deviation of the estimate.
An airline transports over 10 000 passengers daily, and the airline is curious what proportion of their passengers use mobile boarding passes instead of paper passes. They take a simple random sample of 80 passengers and find that 75% of them use mobile boarding passes. Based on this sample, which of the following is a 90%, percent confidence interval for the proportion of passengers who use use mobile boarding passes? O [0.642 - 0.858] O (0.670 -0.830] O [0.625 - 0.875] [0.637 -0.863]
each item # 7-8. 7. Researchers study the effect of political commercials and the likelihood of people inspired to vote for former President Trump in the 2024 presidential election. They show a political commercial to a random sample 150 people. The researchers found a 90% confidence interval for the proportion of people who were influenced to vote for former President Trump after viewing the political commercial to be (0.56, 0.72). Which is true based on the given confidence interval? Select the two correct answers. e. a. We are 90% confident that the true proportion of people inspired to vote for former President Trump after viewing a political commercial is between 0.56 and 0.72. b. 90% of all 90% confidence intervals constructed in this way will capture the true proportion of people inspired to vote for former President Trump after viewing a political commercial. c. We're 90% sure that the proportion of people in this research sample inspired to vote for Sve former President Trump…
According to a sociologist's research on U.S. residents' habits regarding religious faith, 38% of U.S. residents attend a religious service (any denomination) at least once per month. Suppose 310 U.S. residents are sampled. (Give results accurate to at least 4 decimal places.) a. Of the 310 people sampled, 132 respond that they attend a religious service at least once per month. What is the sample statistic p? p= 0.4258 b. Under the assumption that the sociologist's claim that 38% of U.S. residents attend a religious service at least once per month is valid, what is the probability that the survey in part (a) would result in a p that is at least as high as the one found? c. Under the assumption that the sociologist's claim that 38% of U.S. residents attend a religious service at least once per month is valid, what is the probability that the survey in part (a) would result in a p that is between 37% and 40%?
Select all that apply. Which of these 95% confidence intervals for the difference between means represent a significant difference at the .05 level? (-4.6, -1.8) (-0.2, 8.1) (-5.1, 6.7) (3.0, 10.9)
Suppose a new treatment for a certain disease is given to a sample of 190 patients. The treatment was successful for 152 of the patients. Assume that these patients are representative of the population of individuals who have this disease. Calculate a 98% confidence interval for the proportion successfully treated. (Round the answers to three decimal places.) ___ to ___
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