The following data give the ages (in years) of all six members of a family. 56 53 30 25 20 12 Let x denote the age of a member of this family. Write the population probability distribution of x. What is the probability P(x = 12)? Round your answer to three decimal places.

Q: Fill in the missing value so that the following table represents a probability distribution. x…

A: Missing value=0.4

Q: Based on historical data kept by a business school, the probability distribution for students who…

A: Given Observation and Calculation

Q: Fill in the missing value so that the following table represents a probability distribution. 45 55…

A: Answer - Find the missing value in the table x 45 55 65 75 85 P(x) 0.25 0.05 0.15 a 0.05…

Q: The grade distribution for a course is listed in the following table. If a student is randomly…

A: ABCDFTotal4654362213171

Q: Using the data given below, determine whether it would unusual for a household to have no HD…

A: Given information: The data representing the number of televisions (HD) per household in a small…

Q: Using the data given below, determine whether it would unusual for a household to have no HD…

A: from the given table  the probability of having no HD televisions is 0.03

Q: The probability distribution for the number of students in Statistics classes offered at a small…

A: Given data is x P(x) 24 0.09 25 0.13 26 0.16 27 ? 28 0.11

Q: Q tests are made to have an average score of 100. Psychologists revise the test every few years in…

A: Given that  IQ tests are made to have an average score of 100 (μ) = 100 Bell shaped distribution (…

Q: What is the mean of the probability distribution?    a. 1.5 b. 1.6 c. 1.2 d. 1.8

A:

Q: The age distribution of members of a gymnastics association is shown in the table. A member of the…

A: The relative frequency is obtained by the formula, Relative frequency=f/ N Here, f is the frequency…

Q: The table list the drinking habits of a group of college students . If a student is chosen at random…

A: Given data,   Non-Drinker Regular drinker Heavy drinker Total Man 135 59 5 199 Woman 187 21 5…

Q: The number of inches of rain that fell during the month of April was recorded over time.  The number…

A: a) Total number of years = 4+13+21+10+2=50 years.  To find probabilities we divide all frequencies…

Q: How many years is a randomly selected 19-year-old expected to live beyond his or her 19th birthday?…

A:

Q: The accompanying table gives a recent estimate (in thousands) of the smoking status among persons 25…

A:

Q: (a) Construct the probability distribution of X. Round the answer to three decimal places. 0. 1 P(x)

A: Given that, A recent survey asked 830 people how many days they would wait to seek medical treatment…

Q: Determine whether this table represents a probability distribution. P(x) X 0.25 1 0.2 2 0.15 0.45 O…

A: We have given that,  Let X be the random variable having distribution is,  X P(X)  0 0.25 1…

Q: Use the following table to find the probability that a randomly chosen member of the Student…

A: Here we’ve to find the probability that a randomly chosen member of the Student Government Board is…

Q: The table below shows the probability distribution of job satisfaction scores (1 - 4) for a group of…

A: a. Missing value=0.27b. The expected job satisfaction score for this group of senior executives=…

Q: Jsing the data given below, determine whether it would unusual for a household to have no HD…

A: If an event has a probability of less than 0.05, it can be considered as an unusual event. The event…

Q: In the 2010 U.S. Census, one of the questions asked was “How many people live in your household?”…

A: Here the given distribution is discrete. We need probability of no more than 4 living in a randomly…

Q: The number of electrical outages in a city varies from day to day. Assume that the number of…

A: Solution

Q: Maggie is a social worker. For the last 225 days she has recorded her client caseload per day. The…

A: Given frequency table: Total frequency is 225 Probability(x) = frequency(x) / total frequency…

Q: who has four children. Its probability distribution is shown below. Complete parts a through c. 0 1…

A: Given that  Probability distribution.  X 0 1 2 3 4 P(X=x) 0.0857 0.2447 0.3208 0.2415 0.1073

Q: The table lists the drinking habits of a group of college students. If a student is chosen at…

A:

Q: Fill in the missing value so that the following table represents a probability distribution. 35 45…

A: Given, x 35 45 55 65 75 P(X) 0.05 a 0.15 0.15 0.15

Q: The table shows the distribution, by age and gender, of the 28.5 million people in a certain region…

A:

Q: The distribution of Bachelor's degrees conferred by university is listed in the table.  Assume that…

A:

Q: The probability distribution below shows the number of kittens in a litter?

A: Let X be a sample space of discrete random variables. We shall use the following facts : i) ∑x∈X…

Q: The table lists the drinking habits of a group of college students. If a student is chosen at…

A: Given that Man=87, Heavy driver=6, Total=188 Man and Heavy driver=3

Q: Cars Households 0 125 1 428 256 108 83 2 3 4

A: We have given that,  Cars households 0 125 1 428 2 256 3 108 4 83 then,  We will…

Q: The table shows the estimated distribution of injury severity by child passenger. What is the…

A: The total number of child passengers 6299677.

Q: (a) Among fatal crashes in unknown weather conditions, what is the probability that a randomly…

A: It is given that the data represents the number of drivers involved in a fatal crash in 2016.