Charlene takes a quiz with 10 multiple-choice questions, each with five answer choices. If she just guesses independently at eachquestion, she has probability 0.20 of guessing right on each. Simulate 20 repetitions to estimate Charlene's expected number ofcorrect answers, using Table A of random digits, starting at line 101.(Use decimal notation. Give your answer as an exact number.)expected number of correct answers:

If an experiment is performed with possible outcomes as either success or failure and the…

Answered: Charlene takes a quiz with 10…

A First Course in Probability (10th Edition)

10th Edition

ISBN:9780134753119

Author:Sheldon Ross

Publisher:Sheldon Ross

Chapter1: Combinatorial Analysis

Section: Chapter Questions

Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...

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A recent survey showed that 17% of community college students experienced at least some homelessness during their first year at a community college. Surveys also show that 80% of community college students need to take English their first year at a CC. Based on these surveys what is the probability of first year CC students experiencing at least some homeless during their first year and taking an English class? Show the formula, the math plug-ins, and answer.
The odds in favor of Michael Jordan making a free throw were 21:4. Find the probability of Michale Jordan missing a free throw. Give answer as a decimal to the nearest hundredth.
John runs a computer software store. Yesterday he counted 127 people who walked by his store, 58 of whom came into the store. Of the 58, only 25 bought something in the store. For each of the following questions, answer using probability notation. Estimate the probability that a person who walks by the store will enter the store.
60% of all bald eagles survive their first year of life. Give your answers as decimals, not percents. If 36 bald eagles are randomly selected, find the probability that Exactly 19 of them survive their first year of life.
The number of hours per week that the television is turned on is determined for each family in a sample. The mean of the data is 31 hours and the median is 27.2hours. Twenty-four of the families in the sample turned on the television for 16 hours or less for the week. The 8th percentile of the data is 16 hours. Based on the given information, determine if the following statement is true or false. The first quartile is less than 16 hours.
You pay $20 to enter a raffle. The first ticket drawn wins $1036, the second ticket drawn wins $477, the third through fifth win $186, and the sixth through tenth win $49. Suppose 2345 tickets were sold. What is the expected earning on your ticket?
A basketball player has a free throw percentage of 94%. What is the probability she misses at least one of his next 25 free throws?
A machine has 32 identical components which function independently. The probability that a component will fail is 0.28. The machine will stop working if more than three components fail. Find the probability that the machine will be working. Round to the nearest thousandth.
A magazine subscription service is having a contest in which the prize is 180000. If the company receives 3 million entries, which is the expection of the contest?

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