Math

StatisticsQ&A Librarywhether8) In a certain college, 33% of the physics majorsbelong to ethnic minorities. If 10 students areselected at random from the physics majors, whatis the probability that less than 6 belong to anethnic minority?A) 0.055C) 0.913B) 0.958D) 0.9819) According to government data, the probabilitythat an adult was never in a museum is 15%. In asurvey of 10 adults, what is the probability thattwo or less were never in a museum?A) 0.432C) 0.501B) 0.045D) 0.82010) A test consists of 10 true/false questions. To passthe test a student must answer at least 6 questionscorrectly. If a student guesses on each question,what is the probability that the student will pass16the test?A) 0.377C) 0.172B) 0.828D) 0.20511) In a new auto study among 14 drivers living onone particular street, it was determined that 3If 14n,were involved in a car accident lastyear.drivers are randomly selected, what is theprobability of getting 3 or more who wereinvolved in a car accident last year?B) 0.604D) 0.906A) 0.393C) 0.09412) The probability that a house in an urban area willdevelop a leak is 5%. If 20 houses are randomlyselected, what is the mean of the number of housesthat developed leaks? (Special formula)B) 1.5A) 0.5C) 1D) 213) A quiz consists of 620 true or false questions. If thestudent guesses on each question, what is thestandard deviation of the number of correctanswers, approximatelly? (Special formula)A) 17.6068169B) 2C) 12.4498996D) 0Question

Asked Feb 27, 2020

149 views

Questions 8-13

Step 1

Hello there! there are more than one question. According to our policies we cannot answer more than one question. So please find the solution of the 8th question. If you have doubts in remaining part of the question kindly make a new request, mentioning the question in which you need help

Given data

Probability of selecting ethnic minorities = 0.33

Number of students selected (n) = 10

Probabilit...

Tagged in

Find answers to questions asked by student like you

Show more Q&A

Q: The mayor is interested in finding a 95% confidence interval for the mean number of pounds of trash ...

A: Hello! As you have posted 2 different questions, we are answering the first question. In case you re...

Q: The toco toucan, the largest member of the toucan family, possesses the largest beak relative to bod...

A: The regression analysis is conducted using EXCEL. The software procedure is given below: Enter the ...

Q: Assume that a sample is used to estimate a population mean μμ. Find the margin of error M.E. that co...

A: According to the provided data, the sample size is 9 with a mean of 85.2 and a standard deviation of...

Q: A ski resort asked a random sample of guests to rate their satisfaction on various attributes of the...

A: Regression analysis: Regression analysis estimates the relationship among variables. That is, it est...

Q: The accuracy of the point estimate is measured by its

A: The standard error of the estimate is a measure of the accuracy of predictions. The smaller value of...

Q: Suppose the time he spent surfing the website per day is normally distributed, µ = 8 minutes and σ =...

A: The probability that the sample mean is less than 8 minutes is 0.5 and it is obtained below:

Q: The U.S. Census Bureau provides data on the number of young adults, ages 18-24, who are living their...

A: Click to see the answer

Q: Use the table below to answer this quesiton: Leukemia No leukemia Exposed to benzene...

A: Relative risk: Relative risk is the ratio of probability of an event in exposed group to probability...

Q: 1. True or False? A Kruskal-Wallis test is used to compare a continuous outcome in more than two ind...

A: The Kruskal-Wallis test is used for comparing ordinal or non-Normal variables for more than two grou...