Data collected at elementary schools in Los Angeles County, CA suggest that each year roughly 25% of students miss exactly one day of school, 15% miss 2 days, and 28% miss 3 or more days due to sickness. a. What is the probability that a student chosen at random does not miss any days of school due to sickness this year? b. What is the probability that a student chosen at random misses no more than one day?

Data collected at elementary schools in Los Angeles County, CA suggest that each year roughly 25% of students miss exactly one day of school, 15% miss 2 days, and 28% miss 3 or more days due to sickness. a. What is the probability that a student chosen at random does not miss any days of school due to sickness this year? b. What is the probability that a student chosen at random misses no more than one day?

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

See similar textbooks

Similar questions

omework 8 pre: 14/18 7/9 answered O Question 7 Engineers must consider the breadths of male heads when designing helmets. The company researchers have determined that the population of potential clientele have head breadths that are normally distributed with a mean of 6.9-in and a standard deviation of 1.1-in. In what range would you expect to find the middle 98% of most head breadths? Between and If you were to draw samples of size 43 from this population, in what range would you expect to find the middle 98% of most averages for the breadths of male heads in the sample? Between and Enter your answers as numbers. Your answers should be accurate to 2 decimal places. Question Help: Message instructor D Post to forum Submit Question P Type here to search ts f6 云近 %24 %23
The table below shows the results of a survey that asked 1058 adults from a certain country if they favored or opposed a tax to fund education. A person is selected at random. Support Oppose Unsure Total Males 153 333 9 495 Females 230 303 30 563 Total 383 636 39 1058 Find the probability that the person is not unsure or is female. P(is not unsure or is female)=
The following table shows the numbers of patients classified as underweight, normal weight, overweight and obese according to their diabetes status. Underweight Normal Weight Overweight Obese Diabetes 8 34 65 43 No Diabetes 12 85 93 40 What is the probability that a patient selected at random is overweight? Answer: What is the probability that they are obese and diabetic? What proportion of the diabetics are obese?
About 13% of the population is left-handed. If two people are randomly selected, What is the probability that at least one is right-handed? [Write as a percentage, round 2 decimal places]
In a representative household telephone survey of 2,876 adults, 15% reported that they own at least one gun. Of those that own a gun, 3% own a handgun. Suppose that one of the 2,876 adults surveyed is randomly selected. a. What is the probability that the adult owns at least one gun? b. What is the probability that the adult owns at least one gun and the gun is a handgun? a. The probability that the adult owns at least one gun is (Simplify your answer. Type an integer or a decimal. Do not round.)
Assume that 26.6% of people have sleepwalked. Assume that in a random sample of 1517 adults, 418 have sleepwalked. a. Assuming that the rate of 26.6% is correct, find the probability that 418 or more of the 1517 adults have sleepwalked. b. Is that result of 418 or more significantly high? c. What does the result suggest about the rate of 26.6%?
A car insurance company has determined that 9% of all drivers were involved in a car accident last year. Among the 10 drivers living on one particular street, 3 were involved in a car accident last year. If 10 drivers are randomly selected, what is the probability of getting 3 or more who were involved in a car accident last year? O a. O b. O C. O d. 0.4435 0.9548 0.0541 0.0452
In a sample of college students, 100 live on campus, 60 live with family off campus, and 40 live in an apartment off campus. A.What is the probability a randomly selected student lives off campus? B. Explain why this is an example of empirical probability.
Assume that when human resource managers are randomly selected, 38% say job applicants should follow up within two weeks. If 30 human resource managers are randomly selected, find the probability that exactly 23 of them say job applicants should follow up within two weeks. a.The probability is?