A study was conducted to better understand the television habits of married men and women during prime-time hours.  Based on past viewing records, the study determined that during prime time, husbands are watching television 60% of the time.  When the husband is watching television, 40% of the time the wife is also watching.  When the husband is not watching television, 30% of the time the wife is watching television. (a) Find the probability that if the wife is watching television, the husband is also watching television. (b) Find the probability that the wife is watching television during prime time.

Q: At a college reunion it was discovered that 16 percent of the people had climbed up mountain, 51…

A: event A : climbed up mountain event B : skied down from a mountain P(A) = 0.16 P(B) = 0.51 P(A∩B) =…

Q: In a large school, it was found that 64% of students are taking a math class, 74% of student are…

A: The objective of this question is to find the probability that a randomly selected student is not…

Q: Fifty-eight percent of American adults eat at a table-service restaurant at least once a week.…

A:

Q: A 2012 study asked respondents about their confidence in banks and financial institutions Confidence…

A: Solution

Q: A study has shown that 65% of students at some time in their college career have skipped buying…

A: Solution-: Given: We find,

Q: According to a study, 83% of k-12 schools or districts in a country use digital content such as…

A: Probability:   The ratio of the number of favorable outcomes to certain event and total number of…

Q: Team A and Team B are scheduled to play each other 10 times this season. If each game is played…

A: It is given that  P( team A beat team B ), p = 38% = 0.38 q = 1 - p = 0.62

Q: According to a study, 79% of K-12 schools or districts in a country use digital content such as…

A: Let,Event D = Schools or districts in a country use digital content.Event C = Schools use digital…

Q: During a resort’s busy season, there is a 0.6 probability that a hurricane will affect sales…

A: Given , Number of months (n) = 3 Probability of a hurricane affecting sales negatively (p) = 0.6 Let…

Q: Based on a survey by Consumer Technology Association, smartwatches are used in 18% of U.S.…

A: given data P(smartphones are used in US household) = p = 0.18P(randomly selected household has no…

Q: Fifty-NINE percent of American adults eat at a table-service restaurant at least once a week.…

A: GivenNo.of American adults eat at a table service restuarant =0.59

Q: The following table compares the gender vs the level of education of the patients seen in some…

A:

Q: During a resort’s busy season, there is a 0.8 probability that a hurricane will affect sales…

A: Given: Number of months (n) = 3 Probability of a hurricane affecting sales negatively (p) = 0.8 X be…

Q: n average cleo catches a fish on 45% of the times that he casts his fishing line. If he casts his…

A: Given data, Proportion of cleo catches a fish is p=45% =0.45 n=15 what is the probability that he…

Q: A recent survey shows that 60% of families regularly schedule family vacations for the month of…

A: Given, 60% of families regularly schedule family vacations for the month of April. Let X = number of…

Q: According to a study conducted by a public health school, a child seated in the front seat who was…

A: Consider the given information.

Q: According to the U.S. Census Bureau, 19.1% of U.S. households are in the Northeast. In addition,…

A: Introduction: Denote A as the event that a household in the country earns $75,000 per year or more,…

Q: A study showed that ​69.7% of occupants involved in a fatal car crash wore seat belts. Of those in a…

A:

Q: In a survey of 500 individuals, it was found that 60% of them prefer tea over coffee. Of those who…

A: Answer: To find the probability, we need to calculate the proportion of individuals who prefer tea…

Q: ind the probability that in a randomly selected office hour, the number of student arrivals is 66.

A: A statistics professor finds that when he schedules an office hour for student help, an average of 3…

Q: According to a survey, 36.7% of people who visit Disney World have children under 18 in their…

A: A: People who visit Disney World have children under 18 in their household   B:  Household with…

Q: In a survey, 25% of respondents said they watched football but not cricket, 15% said they watched…

A:

Q: In London, it always rains on the weekend (Saturday or Sunday), and there is a 50% chance of rain on…

A: The events are denoted as follows:: It is a Thursday, and: It is raining outside.The given…

Q: According to a study, 77% of K-12 schools or districts in a country use digital content such as…

A:

Q: In a particular city, 63% of the adults own their home and 37% rent. A sample of 20 adults is taken.…

A: Given,probability of adults own their home(p)=63%=0.63probability of adults on…

Q: % of the time that he goes up to bat). If he goes up to bat 13 times, what is the probability that…

A:

Q: Ex let x be with pmf 1=,2,3, 16 O find c P(X)2)

A: We want to find the value of c and P(X≥2) and P(X2=9)= ?

Q: A class of 25 students is taking a course in Western Civilization on a​ pass/fail basis. The course…

A: Define the random variable x as the number of students that will pass the course. Here, the number…

Q: A sample survey interviews an SRS of 267 college women. Suppose that 70% of college women have been…

A: The distribution of data follows normality can be checked using the two conditions :  np≥5 n1-p≥5…

Q: In a recent​ survey, it was found that the median income of families in country A was ​$58,000. What…

A: In a recent​ survey, it was found that the median income of families in country A was ​$58,000.

Q: At Denver international airport, 81% of recent flights have arrived on time. A sample of 12 flights…

A:

Q: In a recent survey, it was found that the median income of families in country A was $57,700. What…

A: Median: Median is the middle value of the observations in the distribution when the data values are…

Q: a) About 68​% of organs will be between what​ weights? ​(b) What percentage of organs weighs between…

A: Let , X→N(μ=300 , σ=25) Use the empirical rule to determine the following :  (a) About 68​% of…

Q: 12 schools or districts in a country use digital content such as ebooks, audio books, and digital…

A: Given n=10 x=4

Q: Analyze the following statement: “There is a 20% chance that a male applicant will be admitted, but…

A: It is given that there is a 20% chance that a male applicant will be admitted. Let PM represents the…

Q: In a 2018 study, it was determined that 14% of Americans . In a separate study, it was determined 9%…

A: Probability indicates the chances of occurring an event. It lies between 0 and 1. Let A be the…

Q: Transportation officials reported that 8.5 out of every 2000 airline passengers lost luggage during…

A: Solution: Given information : Let X be the random variable that airline passengers lost luggage…

Q: According to a study, 76% of K-12 schools or districts in a country use digital content such as…

A: It is given that the probability that K-12 schools or districts in a country use digital content…

Q: According to an article in the February 1991 issue of Reader’s Digest, patients face a 1 in 20…

A: From the provided information, Patients face 1 in 20 chance of acquiring an infection while…

Q: According to a study, 74% of K-12 schools or districts in a country use digital content such as…

A: Given datan=10x=5p∧=xn=510=0.5Po=74%=0.74

Q: An organization conducts an annual survey of cybersecurity at firms from around the world. In a…

A: The provided information is as follows:The total number of firms is .The total number of firms that…

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.