1. (Witmer book – Page 116, Q: 3.6.12) Childhood lead poisoning is a public health concern in the UnitedStates. In a certain population, 1 child in 8 has a high blood lead level (defined as 30 µg/dl or more). In arandomly chosen group of 16 children from the population, what is the probability thata. None has high blood lead?b. 1 has high blood lead?c. 2 have high blood lead?d. 3 or more have high blood lead? Hint: Use parts a – c to help you answer.

Answered: 1. (Witmer book – Page 116, Q: 3.6.12)…

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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P = 0.55, and a random sample of size n ugo from the population. a. What is the probability that the sample proportion 150 drawn %3D od blug e is more than 0.60? b. What is the probability that the sample proportion Iw borned to si is less than 0.52? 6.3 uc. What is the probability that the sample proportion is relsi a between 0.51 and 0.59? aronortion
6
Find the experimental probability of rolling a 2 after 50 rolls of the cube. A. 16% B. 50% C. 8 D. 8/24 (<----fraction)
22)
21)
Suppose S = {a, b, c} and we try to define the following probability measure on S: P({a, b, c}) = 1 P({a, b}) = 0.7 P({a, c}) = 0.5 P({b, c}) = 0.7 P({a}) = 0.2 P({b}) = 0.5 P({c}) = 0.3 Is P a valid probability measure? Why or why not?
The probability is 0.4 that a traffic fatality involves an intoxicated or alcohol-impaired driver or nonoccupant. In six traffic fatalities, find the probability that the number, Y, which involve an intoxicated or alcohol-impaired driver or nonoccupant is a. exactly three; at least three; at most three. b. between two and four, inclusive. c. Find and interpret the mean of the random variable Y. a. The probability that exactly three traffic fatalities involve an intoxicated or alcohol-impaired driver or nonoccupant is nothing. (Round to four decimal places as needed.) The probability that at least three traffic fatalities involve an intoxicated or alcohol-impaired driver or nonoccupant is nothing. (Round to four decimal places as needed.) The probability that at most three traffic fatalities involve an intoxicated or alcohol-impaired driver or nonoccupant is nothing. (Round to four decimal places as needed.) b. The probability that between two and four…
8) Given the following table with eye color and hair color for a sample of 592 people... Black hair Brown hair Blond hair 16 10 Red hair Total Green eyes Hazel eyes Blue eyes Brown eyes Total 29 14 14 15 54 84 119 20 17 26 94 68 a) What percent of people with brown hair have blue eyes? b) What is the probability someone with green or hazel eyes has red hair? 102 F Par 99+
25)
A spinner is divided into four equal sections numbered 1 through 4. What is the expected value of spinning the spinner? O A. 2 В. 2.5 С. 4 O D. 9 What is the value of x? Which of the following is not sufficient additional information to prove AHGJ = AMLK? G 18, 24 H 2x + 2 3x +1 M G O A. 5 K о в. 8 O A. HJ 2 MK ос. 11 O B. LG a L O D. 12 O C. LJE ZK GJ = LK What is m CD ? 78° A M 106 A 92° B. 106° C. 134° O D. 1184°
1. Bill Alther is a zoologist who studies Anna’s hummingbird (Calypte anna). A random sample of nine of these birds was caught, weighed, and released in a remote part of the Grand Canyon. The weights observed (in grams) were : 3.7 2.9 3.8 4.2 4.8 3.1 3.5 4.3 3.0 Let x be a random variable representing weights of Anna’s hummingbirds in this part of the Grand Canyon. Assuming x has a normal distribution with sample standard deviation 0.648. The population mean is 4.55 grams. (a) Calculate the Sample Mean of the above mentioned data values.(b) Do the data indicate that the mean weight of these birds in this part of the Grand Canyon is less than 4.55 grams? Establish the Null and Alternate Hypothesis.(c) Compute the Test statistics of the sample data using Student’s t-distribution table. Take α= 0.05(d) Find the P-value or range of P-values.(e) Conclude the test and interpret the result. Note: Solve the first three parts only.

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