After examining her college attendance records for the past few years, Professor Bea Earlee determined that there is a 30% chance that a student will come late to her class.  Six students are selected at random.  Find the probability that none of the six arrive late to class.

Q: A physics class has 50   students. Of​ these, 18   students are physics majors and 17   students…

A: If there are n mutually exclusive, exhaustive and equally likely outcomes of a random experiment and…

Q: During the 2013 regular NBA season, DeAndre Jordan of the Los Angeles Clippers had the highest field…

A: Formula :  Binomial distribution is given by

Q: In a sample of 50 people, 21 had type O blood, 22 had type A blood, 5 had type B blood, and 2 had…

A:

Q: 31% of all college students major in STEM (Science, Technology, Engineering, and Math). If 39…

A: Given,n=39p=0.31Let X=no.of students major in STEM.X~Binomial(n=39 , p=0.31)P(X=x)=39x…

Q: Out of all families with 4 children, you select one family at random.  What are the chances that the…

A: Given,A family has 4 childernso, total possible out comes are 16 (24=16)

Q: In a large population, 59% of the people have been vaccinated. If 5 people are randomly selected,…

A:

Q: A study indicates that 67% of students have have a laptop. You randomly sample 7 students. Find the…

A: Given that, The random variable X students have a laptop The probability of success is 0.67 p=0.67…

Q: An urn contains 3 yellow balls and 6 white ball . If Vince chooses 7 balls at random from the urn ,…

A: The number of yellow balls is 3 and the number of white balls is 6.

Q: A history class is comprised of 8 female and 6 male students. If the instructor of the class…

A:

Q: A nervous kicker usually makes 72% of his first field goal attempts. If he makes his first attempt,…

A: From the provided information, P (makes first field goal attempt) = 0.72 P (Makes second attempt|…

Q: In a large city, 70% of people own a cell phone. A sociologist wishes to study the impact cell…

A: The objective of this question is to find the probability that between 33 and 36 people out of a…

Q: Seventy-six percent of small business owners do not have a college degree. If a random sample of 50…

A:

Q: In a survey, 60% of Americans said they own an answering machine. If 13 Americans are selected at…

A: From the provided information, 60% of Americans said they own an answering machine that is (p) =…

Q: A study indicates that 37% of households have have a dog. You randomly sample 8 households. Find the…

A:

Q: In a survey of college students, 840 said that they have cheated on an exam and 1765 said that they…

A: Given that Number of students who have cheated =840 Number of students who have not cheated =1765 If…

Q: In a recent semester at a local university, 600 students enrolled in both statistics I and…

A: In a recent semester at a local university, 600 students enrolled in both statistics I and…

Q: Suppose a jar contains 12 red marbles and 35 blue marbles. If you reach in the jar and pull out 2…

A:

Q: A physics class has 40 students. Of​ these, 16 students are physics majors and 18 students are…

A: GivenTotal No. of students=40No.of physics majors=16No.of female =18No.of females and physics…

Q: The table summarizes results from 980 pedestrian deaths that were caused by automobile accidents.…

A: Given data:   Pedestrian Intoxicated   Driver Intoxicated Yes No Total Yes 56 84 140 No 215…

Q: A survey of Indiana, PA residents finds that 68% like Bob's Sub, 83% like Culpepper's, and 56% like…

A: Let A be the event that the residents like Bob's Sub and B be the event that residents like…

Q: Find the probability that at least 5 heads show up when a fair coin is tossed 7 times. Round your…

A: Givenprobability of getting head =12=0.5n=7Let "x" be getting…

Q: 53% of undergrads at UD are from Ohio. If a Simple Random Sample of 180 UD undergrads will be taken,…

A: proportion of Undergrads at UD are from Ohio(p)=0.53sample size(n)=180Mean()=p=0.53standard…

Q: In a large population, 61% of the people have been vaccinated. If 5 people are randomly selected,…

A: From the given information, Sample size (n) = 5, Probability of success (p) = 0.61.

Q: A group of people were asked if they had run a red light in the last year. The number of people that…

A: A group of people were asked if they had run a red light in the last year. The number of people that…

Q: If a seed is planted, it has a 95% chance of growing into a healthy plant. If 11 seeds are…

A:

Q: Find the probability that more than  6.6%  of the individuals in the sample of  352  hold multiple…

A: Given p = 0.066 n = 352 X ~ B(n, p) P(X=x) =  Cxn px(1-p)n-x ; x=0,1,2...…

Q: Assume that male and female births are equally likely and that the birth of any child does not…

A: Given that, Male and female births are equally likely and that the birth of any child does not…

Q: In a large population, 59% of the people have been vaccinated. If 3 people are randomly selected,…

A: n=3,p=59%=0.59X~Binomial(n=3,p=0.59)Let X be the number of person have been vaccinated.p be the…

Q: The average number of children a Japanese woman has in her lifetime is 1.38. Suppose that one…

A:

Q: furnace bills are normally distributed.  With a mean of 273 and an SD of 30.  If 144 bills are…

A: Let M denote the mean of sample of n = 144 bills. Then M follows N(mean = 273, SD = 30/√(144) = 2.5)…

Q: Suppose that 40% of people own dogs. If you pick two people at random, what is the probability that…

A: Given that 40% of people own dogs.Let X be the number of people own dogs following binomial…

Q: The table summarizes results from 988 pedestrian deaths that were caused by automobile accidents.…

A: The table summarizes results from 988 pedestrian deaths that were caused by automobile accidents.…

Q: A group of 6 students' cholesterol levels are tested. Suppose the probability of a student having a…

A: The objective of this question is to find the probability that exactly three out of the six students…

Q: If the probability that a randomly chosen college student takes statistics is 0.34, then what is the…

A: The probability that a randomly chosen college student takes statistics is 0.34. The probability…

Q: study indicates that 29% of singles have have tried online dating. You randomly sample 9 singles.…

A: Let X be the random variable from binomial distribution with probability (p) = 29% = 0.29 and sample…

Q: Kevin, a traffic engineer, computes that there is an average of 235 subway delays per 30-day period.…

A: The given data is as follows:The average number of delays in a 30-day period is 235

Q: Determine the probability of 3 out of 5 people getting accepted into a graduate program, where the…

A: The question is about prob. dist. Given : Total no. of people ( n ) = 5 Prob. of selecting single…

Estimation

A new framework of data analysis where the new statistical methods are used for interpreting the results and analyzing the data is known as estimation in statistics.