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: 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: Assume that the critic finds that 25 percent of the movies have positive comments about the plot, 40…

A: The event A is defined as the movies have positive comments about the plot, event B is defined as…

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: 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 consumers aged 12 and​ older, respondents were asked how many cell phones were in use…

A: Given: Number of respondents answered none = 208 Number of respondents answered one = 295 Number of…

Q: Suppose you manage the demand for a towing company in Little Rock. On a usual day your company gets…

A:

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 survey of consumers aged 12 and​ older, respondents were asked how many cell phones were in use…

A:

Q: In a survey of consumers aged 12 and older, respondents were asked how many cell phones were in use…

A: From the given information ,Total respondents = 201 + 296 + 376 + 138 + 117 .…

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: 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: According to the Federal Communications Commission, 70% of all U.S. households are using video…

A: Given,n=15p=0.7q=1-0.7=0.3A random variable X~Binomial(n=15 , p=0.7)P(X=x)=Cx(0.7)x(0.3)15-x       ;…

Q: 40% of students said that orange is their favorite juice. As part of further analysis, a random…

A: Given,40% of students said that orange is their favorite juice.ie, P = 40% = 0.40Also given that,As…

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: 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: In a survey of consumers aged 12 and older, respondents were asked how many cell phones were in use…

A: The data related to cell phone users is given.

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: In a survey of consumers aged 12 and older, respondents were asked how many cell phones were in use…

A: Obtain the probability that his/her household has four or more cell phones in use. The probability…

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…

Q: A construction company wants to understand how important safety helmets are on their worksite. They…

A: Define the events, A : The worker wear safety helmet B : The worker report head injuries Now, 73% of…

Q: An animal shelter had a 65 % adoption rate for puppies. Of all puppies in the shelter , 75% live to…

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.