According to recent surveys, 60% of households have personal computers. If a random sample of 176 households is selected, what is the probability that more than 67 but fewer than 90 have a personal computer? Round z-value calculations to 2 decimal places and final answer to at least 4decimal place

Q: A customer from Cavallaro's Fruit Stand picks a sample of 5 oranges at random from a crate…

A: Given data 5 oranges are picked at random Total oranges = 80 6 oranges are rotten

Q: If a seed is planted, it has a 80% chance of growing into a healthy plant. If 8 seeds are planted,…

A: From the provided information, If a seed is planted, there is 80% chance of growing into a healthy…

Q: A statistician calculates that 8%8% of Americans own a Rolls Royce.   If the statistician is…

A: It is known that, the mean of the sampling distribution of p-hat is equal to the population…

Q: A customer from Cavallaro's Fruit Stand picks a sample of 5 oranges at random from a crate…

A: Introduction: Total number of oranges = 65. Out of these, total number of rotten oranges = 6. Thus,…

Q: A manufacturing machine has a 4% defect rate. If 10 items are chosen at random, what is the…

A: Obtain the probability that at least one will have a defect.   The probability that at least one…

Q: A softball pitcher has a 0.626 probability of throwing a strike for each curve ball pitch. If the…

A: It is given that the probability of throwing a strike for each curve ball pitch is 0.626. The…

Q: A quick quiz consists of a multiple-choice question with 6 possible answers followed by a…

A: Given that, A quick quiz consists of a multiple-choice question with 6 possible answers followed by…

Q: The table summarizes results from 979 pedestrian deaths that were caused by automobile accidents.…

A: Where E denotes the event and S denotes the sample space.

Q: A history class is comprised of 8 female and 7 male students. If the instructor of the class…

A: Given that Female students =8 Male students=7 Randomly selected students= 8

Q: 35% of Americans get a flu shot each season. What is the probability that atleast 2 out of 5…

A:

Q: The ABCD ELECTRONICS has just manufactured 5000 blu-rays, and 50 are defective  if 5 of these…

A:

Q: A recent study has shown that 45% of recent college graduates are able to find full-time employment…

A:

Q: A quick quiz consists of a multiple-choice question with 4 possible answers followed by a true/false…

A: Given a quick quiz consists of first a multiple-choice question with 4 possible answers and second…

Q: The probability of buying a movie ticket with a popcorn coupon is 0.717. If you buy 21 movie…

A: Given datan= 21p= 0.717probability that exactly 14 of the tickets have popcorn coupon green is given…

Q: To avoid detection at customs, a traveler places 6 narcotic tablets in a bottle containing 9 vitamin…

A: Given N=15 Sample size is greater than 5%

Q: A manufacturing machine has a 1% defect rate. If 5 items are chosen at random, what is the…

A: Givenp=0.01n=5q=1-0.01=0.99Let "x" be no.of defective itemsx~Binomial(n=5,p=)P(X=x)=(nx)×px×qn-x   ;…

Q: 11% of all Americans live in poverty. If 42 Americans are randomly selected, find the probability…

A: Given Data Probability of success,p = 0.11 Probability of failure,q=(1- 0.11 )= 0.89…

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

A:

Q: A survey from 2018 revealed that 34% of American women are childfree. If 5 American women are…

A: Since 34% of women are childfree So the probability of being childfree for a woman is p=0.34. 5…

Q: The probability that fewer than 33 of 124 eligible voters voted is (Round to four decimal places as…

A:

Q: A customer from Cavallaro's Fruit Stand picks a sample of 5 oranges at random from a crate…

A:

Q: Just before a referendum on a school budget, a local newspaper polls 399 voters to predict whether…

A: According to the provided information, Proportion (p) = 0.54 Sample size (n) = 399

Q: In a recent poll, 13% of all respondents said that they were afraid of heights. Suppose this…

A: Given : In a recent poll, 13% of all respondents said that they were afraid of heights.  p = 0.13

Q: A survey revealed that 84.4% of front-end enggineers like outdoor activities. IT randomly selected…

A: Given n = 5 and p =0.844 The distribution follows a Binomial distribution; Bin (n, p) : B (5, 0.844)…

Q: A recent study has shown that 45% of recent college graduates are able to find full-time employment…

A: Given, p = 45% = 0.45 If we were to randomly select three (3) recent college graduates, what is the…

Q: A recent study by Allstate Insurance Co. finds that 78% of teenagers have used cell phones while…

A:

Q: A national survey reported that 31% of adults in a certain country have hypertension (high blood…

A:

Q: A coin is tossed 88 times. What is the probability that the number of tails obtained will be at…

A: Obtain the probability that the number of tails obtained will be at least 33. From the information,…

Q: A phone company reports that 52 % of its customers subscribe to their high-speed internet service.…

A:

Q: The units without evidence of gas leaks or electrical failure showed other types of failure. If this…

A:

Q: A history class is comprised of 10 female and 7 male students. If the instructor of the class…

A: Given, No of female students=10 No of Male students=7 Total students=17   If instructor wants to…

Q: Let's say that 82% of people have Type O blood.  If 3 randomly selected people donate blood, what is…

A: Givenp=0.82n=3x~Binomial(n=3,p=0.82)P(X=x)=(nx)×px×(1-p)n-x  ; x=0,1,...,n

Q: A survey of 2,350 adults reported that 54​% watch news videos. Suppose that you take a sample of…

A: For a random sample of 500 adults, 54​% watch news videos.

Q: The director of a health club conducted a survey and found that 23% of members used only the pool…

A:

Q: Thirty percent of law students who sit for a bar exam pass it the first time. The probability,…

A: From the provided information, Thirty percent of law students who sit for a bar exam pass it the…

Q: A recent study has shown that a new treatment cures a certain disease 66% of the time. If this…

A: We have to use Binomial distribution. Binomial distribution : If x follows Binomial distribution…

Q: The probability that a football game will go into overtime is 11​%. What is the probability that…

A: The probability that a football game will go into overtime is 11​%. Probability = 11% = 0.11 Sample…

Q: An archer is able to hit the bull's-eye 44% of the time. If she shoots 7 arrows, what is the…

A: Given: Number of shots (n) = 7 Probability of success (hitting the bull's eye) = p = 0.44 Let X be…

Q: Five of the eight students are from Middle Georgia State College. What is the probability that all…

A: According to the provided information, eight college students have applied for the interview. Four…

Q: In a box of 42 iPods, 9 are defective. Two iPods are selected at random and removed from the box in…

A: Here we will use :

Q: Q1. If the average number of suicide in Bollywood is 3 per year, what is the probability that…

A:

Q: In a factory, there were 12 accidents involving machinery in the last six months.  (d) Calculate…

A: Given, In a factory, there were 12 accidents in the last 6 months => 12/6 = 2 accidents per month…

Q: A basketball player has a 0.654 probability of making a free throw. If the player shoots 13 free…

A:

Q: A IRS auditor randomly selects 3 tax returns from 49 returns of which 7 contain errors. What is the…

A: From the given information, an IRS auditor randomly selects 3 tax returns from 49 returns. The…

Q: A sample of 400 adults found that 82  have high blood pressure. However, 98 of those studied…

A: The total sample of adults is 400.

Q: A company produces optical-fiber cable with a mean of 0.6 flaws per 100 feet. What is the…

A:

Q: A carpet expert believes that 7 % of Persian carpets are counterfeits. If the expert is accurate,…

A: Given: p=0.07 and n=574.   So, p^ follows approximately normal distribution with mean, p=0.07 and…

Q: Joe tosses a fair three-sided die 9 times. What is the probability he rolls all threes? If…

A:

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

A: Given: Number of females = 8 Number of males = 6 Total number of students = 8+6…

Q: A baker bakes 100 loaves of bread in a day, 10 of which weigh less than they should. An inspector…

A:

Types of Bias

Statistics is the study of data collection, organization, analysis, interpretation, and presentation. Statistical bias is a characteristic of a statistical technique or its findings in which the expected value deviates from the actual root quantitative parameter being estimated. According to the actual definition of bias, it refers to the tendency of a statistic to overestimate or underestimate a parameter.