Khan Academy Finding probabilities with sample proportions You might need: E Calculator, Z table A camp accrediting association has 2,400 camps in their association. They claim that 45% of their camps offer specialized programs for individuals with disabilities. Suppose you contact a simple random sample of 200 of the camps and ask them whether they offer specialized programs for individuals with disabilities. Assuming that the association's claim is correct, what is the approximate probability that between 40% and 50% of the camps reply "yes" to your question? Choose 1 answer: P(0.4 < p< 0.5) - 0.69 P(0.4 < p < 0.5) - 0.74 P(0.4 < p < 0.5) ~ 0.79 P(0.4 < p < 0.5) 0.84 Show Calculator Stuck? Watcha video or use a hint Report a problem 4 of 4 • . O About Math: Pre-K- 8th grade provide a free, world-class News Contact Math: Get ready courses one anwwhere

Khan Academy Finding probabilities with sample proportions You might need: E Calculator, Z table A camp accrediting association has 2,400 camps in their association. They claim that 45% of their camps offer specialized programs for individuals with disabilities. Suppose you contact a simple random sample of 200 of the camps and ask them whether they offer specialized programs for individuals with disabilities. Assuming that the association's claim is correct, what is the approximate probability that between 40% and 50% of the camps reply "yes" to your question? Choose 1 answer: P(0.4 < p< 0.5) - 0.69 P(0.4 < p < 0.5) - 0.74 P(0.4 < p < 0.5) ~ 0.79 P(0.4 < p < 0.5) 0.84 Show Calculator Stuck? Watcha video or use a hint Report a problem 4 of 4 • . O About Math: Pre-K- 8th grade provide a free, world-class News Contact Math: Get ready courses one anwwhere

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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We are interested in analyzing data related to college football. Use S to denote the team is in the SEC and use W to denote a team has a winning season. The probability that a team is in the SEC in the data set is 5.5%. The probability that a team has a winning season is 52.5%. The probability that a team is in the SEC and has a winning season is 3.55%. What percentage of teams are in the SEC or had a winning season? b. What percentage of people teams are in the SEC and did NOT have a winning season? Given a team had a winning season, what is the probability that they are in the SEC? а. с.
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Help please! As an advertising campaign, a company places tokens in some of their products with the promise that a token is worth a free vacation and all the products free for life. If the probability of finding a token is p, what is the mean and variance of the number of products you need to buy to find a token?
In a class of students, the following data table summarizes how many students passed a test and complete the homework due the day of the test. What is the probability that a student chosen randomly from the class did not complete the homework? Passed the test Failed the test Completed the homework 11 7 Did not complete the homework Answer: Submit Answer attempt 4 out of 4 problem 1 out of max 1
Tony B. is attempting to start a landscaping business. He estimates that to break even, he will need about 150 customers. He believes that he will lose approximately $500 per customer for each customer fewer than the 150. At the moment, he believes there is an 80% probability that he will be able to secure between 130 and 170 customers, and that there is a 50/50 chance that demand will be greater than 160 customers. What is the mean or expected number of sales? Need to know how to calculate?
At the close of the stock markets on a day in 2013, there were 5905 companies listed with a certain stock exchange. On this day, the probabilities of advancing, declining, and unchanged company stocks appears in the table for the two exchanges. Find the probability an advancing stock was listed on Exchange 1. Percentage of Probability of Probability of Companies Probability the Stock Stock Stocks Remain Exchange Exchange 1 Exchange 2 Declining 0.267 Listed Advancing Unchanged 0.041 54.8% 0.684 45.2% 0.657 0.297 0.046 ..... The probability that an advancing stock was listed on Exchange 1 is (Round to three decimal places as needed.)
Next question Confidence in Maj Corporations A 2012 study asked respondents about their confidence in banks and financial institutions Confidence in as well as their confidence in major corporations. Each question allowed three responses: "a great deal, only some, or hardly any." The table to the right summarizes the responses. Find the probability a respondent has a great deal of confidence in banks and financial institutions given that he or she has hardly any confidence in major corporations. Banks and A Great Only Hardly Some Any Financial Institutions Deal Total A Great Deal Only Some Hardly Any 69 59 16 144 123 465 74 662 23 288 183 494 Total 215 812 273 1300 ..... The probability a respondent has a great deal of confidence in banks and financial institutions given that he or she has hardly any confidence in major corporations is (Round to four decimal places as needed.)
According to the recent report, scientists in New England say they have identified a set of genetic variants that predicts extreme longevity with 77% accuracy. Assume 150 patients decide to get their genome sequenced. If the claim by scientists is accurate, what is the probability that fewer than 70% of the patientswill get a correct diagnosis for extreme longevity? Group of answer choices A. 0.1422 B. 0.0722 C. 0.2214 D. 0.0208
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