53% of all incoming students is enrolled in a Math class. Suppose that you randomly select 2 incoming students. If X = the number of students who enrolled in a Math class, a) Construct a probability distribution.  b) Find the expected value using the calculator. Round to one decimal. c) Find the standard deviation using the calculator. Round to two decimals.

Q: d. If 100 SAT scores are randomly selected, find the probability that they have a mean between 1400…

A: d. Z-score: The z score formula is, z=x¯-μx¯σx¯ In the formula, μx¯ is the population mean, σx¯ is…

Q: Alison Bender works for an accounting firm. To make sure her work does not contain errors, her…

A:

Q: Find the probability that at most one household is tuned to September Road. P(at most one) =

A: Let the R.V X denotes the number of households are turned to September road and it follows the…

Q: If A and B are mutually exclusive and the P(A) = 0.3 and P(B) = 0.4. %3D Find the probability of A…

A: We have given that,  P(A) = 0.3 and P(B) = 0.4 Then,  We will find the probability of A and B if the…

Q: Solve the problem. The table lists the drinking habits of a group of college students. If a student…

A: Solution-: We have given following table: Sex Non-drinker Regular drinker Heavy Drinker Total…

Q: Two cards are selected from a standard deck of 52 playing cards. The first card is not replaced…

A: Total Cards in deck = 52 Number of club in the deck = 13 Number of spade in the deck= 13 Probability…

Q: Find the joint probability of A and B for the following. P(B)=0.43 and  P⁢ (A|B)=0.53 Enter the…

A: Given : PB=0.43PA|B=0.53 We have to find joint probability of A and B i.e. PA and B

Q: A group of people were asked if Marilyn Monroe had an affair with JFK. 113 responded "Yes", and 329…

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: A survey of families revealed that​  58% of all families eat turkey at holiday meals. ​  44% eat ham…

A: Given data, P(Turkey)=0.58 P(ham)=0.44 P(Turkey and ham)=0.16 P(Turkey or Ham)=?

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: Draw and find the probabilities for the following: a. between these values: z= -1.43 and 0.68 b.…

A:

Q: Fifty-three percent of all U.S. citizens have some college education. Choose 10 people at random,…

A: Answer: Given that                    p= 0.53      ,   n=10                      now will use…

Q: The mean percent of childhood asthma prevalence in 43 cities is 2.41%. A random sample of 31 of…

A: Guven:Mean (µ) = 2.41Standard deviation (σ) = 1.36Sample size (n) = 31

Q: A group of people were asked if they had run a red light in the last year. 431 responded "yes", and…

A:

Q: The data represent the results for a test for a certain disease. Assume one individual from the…

A: We have to find given probability.

Q: What is the probability a consumer lives within 10 miles of the nearest grocery store and shops at a…

A: We are given the number of people that shops online for groceries. We need to find the probability…

Q: e the data in the following table, which summarizes results from 15 Pedestrian Intoxicated? Yes No…

A: Solution: The given table of data is

Q: The data represent the results for a test for a certain disease. Assume one individual from the…

A: The data represent the results for a test for a certain disease.   Yes No Total Positive 137 18…

Q: A woman plans to have two children. The probability that each child is a boy is 0.525, and the birth…

A: Given,P(a baby boy)=0.525P(a baby girl)=1-0.525=0.475

Q: Write your answer as a fraction reduced to lowest terms and as a percent rounded to the nearest…

A: When a coin is tossed then there are 2 possible outcomes.The probability of tossing a coin and it…

Q: IQ is normally distributed with a mean of 100 and a standard deviation of 15. Suppose one individual…

A: It is given that the IQ scores follow normal distribution with mean 100 and standard deviation 15.…

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: Researchers are concerned about the rise in drinking behaviors among adolescents aged 13- 17 in a…

A: From the provided information, The research team estimates the prevalence of such behaviors is 17%…