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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Virtually any process can be improved by use of statistics, including the law. A much publicized case that involved a debate about probability was the Collins case, which began in 1964. An incident of purse snatching in the Los Angeles area led to the arrest of Michael and Janet Collins. At their trial, an "expert" presented the probabilities listed in table below on characteristics possessed by a couple seen running from the crime scene: Characteristics Probability Man with beard 1/10 Blond woman 1/4 1/10 Yellow car Woman with ponytail Man with moustache Interracial couple 1/10 1/3 1/1000 The chance that a couple had all these characteristics together is 1 in 12 million. Because the Collinses had these characteristics, the Collinses must be guilty. Do yo see any problem with this line of reasoning? Hint: The question of interest is not "what is the probability of finding a couple with these characteristics?" because one such couple has been found (the Collinses), the question is "what…
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Blood Types and Rh Factors In addition to being grouped into four types, human blood is grouped by its Rhesus (Rh) factor. Consider the figures below that show the distributions of these groups for Americans. A B АВ Rh + 37% 34% 10% 4% Rh - 6% 6% 2% 1% Source: www.infoplease.com Send data to Excel Choose 1 American at random. Find the following probabilities. Enter your answers as decimals rounded to 3 decimal places.