The probability is 90​% that the sample percentage will be contained above _________% and below _________%.

Q: If 64% of the people at a certain conference are doctors, 31% are women, and 29% are female doctors,…

A: Solution

Q: Suppose that 75% of science students, 45% of business students, and 45% of humanities students pass…

A: Let  M=A student pass a mathematics course          S=science student           b=business…

Q: only 4 had no brothers or sisters, and only child in the household. If a student is randomly sel at…

A: See the hand written solution

Q: 33% of all college students major in STEM (Science, Technology, Engineering, and Math). If 45…

A: Note: Hey, since there are multiple subparts are posted, we will answer first three subparts for…

Q: Each manager of a corporation was rated as being either a good, fair, or poor manager by his/her…

A: We have to determine conditional probability from table. Let denote Master's or Ph.D= A And Poor…

Q: In any given year, a factory has a 20% probability of having a accident. About every how many hours…

A: The probability of having an accident is 20% for a given year.

Q: In a certain college, 33% of the physics majors belong to ethnic minorities. If 10 students are…

A: Given data is sample size(n)=10p=33%=0.33Let "x" be the no.of majors belong to ethnic…

Q: In a certain college, 20% of the physics majors belong to ethnic minorities. If 10 students are…

A:

Q: What is the probability a randomly selected grasshopper is a regular grasshopper, given it's male?

A: Here Given  Probability of locusts= P(L) = 0.3 So, Probability of Regular grasshopper = P(R) = 1-0.3…

Q: 48% of all violent felons in the prison system are repeat offenders. If 33 violent felons are…

A: Solution : p = 48% = 48/100 = 0.48 n = 33 Let x be the number of violent felons in the…

Q: 48% of all violent felons in the prison system are repeat offenders. If 44 violent felons are…

A:

Q: According to a recent national survey, 49% of students who attend a public university graduate with…

A: p = proportion of graduates had at least $ 15000 of debt. p = 0.49n = 200P(p^≥0.55) = ?

Q: Sixty-five percent of men consider themselves knowledgeable football fans. If 14 men are randomly…

A: given p=65%=0.65 , n=14  P(X=3)=? X~Bin(n=14, p=,0.65)

Q: 49% of all violent felons in the prison system are repeat offenders. If 34 violent felons are…

A: Let the random variable X denote the no. of violent felons in the prison system are repeat offenders…

Q: 60% of all violent felons in the prison system are repeat offenders. If 49 violent felons are…

A: Since, you have you have posted a question with multiple subparts we will solve first three subparts…

Q: The probability that a person is left-handed is about 12%. Three unrelated persons are randomly…

A:

Q: The table below lists the frequency of clowns, by hair color, in a given fraternal order of clowns.…

A: Use the frequency table to find the probabilities for each clown is as follows: The probability…

Q: Part-time Full-time Total No Gym Membership 16 48 64 Gym Membership 11 55 66 Total 27 103 130   A…

A: The given summary table is, The probability that the student has a gym membership and they are part…

Q: A political pollster is conducting an analysis of sample results in order to make predictions on…

A: Followings are the Explanation of the question 1) The percentage of voice sin the sample to win the…

Q: college students were surveyed to check what they favored between basketball, football or baseball.…

A: Given,   Basket ball Foot ball Base ball Total Male 22 40 15 77 Female 45 12 16 73 Total 67…

Q: A survey of athletes at a high school is conducted, and the following facts are discovered: 58% of…

A:

Q: Color blindness has a rate of about 5% among males.  If you pick a group of 15 males, what is the…

A:

Q: 63% of all Americans are home owners. 37 Americans are randomly selected, find the probability that…

A: given data P(home owner) = p =0.63no. of trials = n = 37x = no. of home owners in sample

Q: A recent Gallup Poll interviewed a random sample of 1523 adults. Of these, 868 bought a lottery…

A:

Q: A group of 140 students at an elementary school were asked if they prefer the color orange to the…

A:

Q: The proportions of families with various numbers of children age 18 or under in a small town are…

A:

Q: 31% of all college students major in STEM (Science, Technology, Engineering, and Math). If 48…

A: Givenn=48p=0.31x~Binomial(n=48,p=0.31)

Q: Part 3 of 6 A new sample of 79 adults is drawn. Find the probability that more than 38% of the…

A: The proportion of U.S. adults with high blood pressure is 0.4, and a sample of 39 U.S. adults are…

Q: 9. In a group of 50 students, the probability that at most 35 of them like to play soccer is 57%.…

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Q: Suppose that a screening test diagnoses 90% of sick people positive and 90% of healthy people…

A:

Q: Preferred Supermarket Pick n Pay Checkers Woolworths Total No. of Females 60 70 115 245 No. of Males…

A:

Q: Based on this table, what is the probability that a student shows improvement if it is known that…

A: The data is given by   Improvement No improvement Total Attend 190 50 240 Not attend 200 200…

Q: A marketing company has randomly surveyed 205 men who watch professional sports. The men were…

A: A marketing company has randomly surveyed 205 men who watch professional sports. The men were…

Q: A study of consumer smoking habits includes 200 people in the 18-22 age bracket (40 of whom smoke),…

A: Given:   Smoke Not smoke Total 18 - 22 40 160 200 23-30 31 99 130 31-40 30 70 100 Total…

Q: Consider a group of study subjects with 12 males and 8 females. If we randomly select two different…

A:

Q: Q7. Suppose that someone makes an average of one spelling mistake per email they send. What is the…

A: Given: An average of one spelling mistake is made per email.

Q: f a household has at least one cat, there is a 30% probability that the household has at least one…

A: