Determine the probability that the professor asks the class 9 times in one session. Let X be the number of times the professor asks the class in two weeks. Find the mean and standard deviation of the probability distribution with the given random variable

Q: During the 2013 regular NBA season, DeAndre Jordan of the Los Angeles Clippers had the highest field…

A: Formula :  Binomial distribution is given by

Q: The probability that an adult possesses a credit card is .35. A researcher selects two adults at…

A: Given information- We have given the probability that an adult possesses a credit card p = 0.35 The…

Q: A group of people were asked if life exists elsewhere in the galaxy. 140 responded "yes", and 324…

A: It is given that, 140 responded "yes" and 324 responded "no" about life exists elsewhere in the…

Q: 20 dice were rolled. die that shows a number different from 1 is rolled again. Find the probability…

A: No. of dice rolledIf a die shows , it'll be rolled again.The probability distribution function of…

Q: Twenty-four percent of couples who plan to marry this year are planning destination weddings. In a…

A: I solved exactly first 3 subpart because of bartleby policy....   Let random variable X: number of…

Q: In a large population, 61 % of the people have been vaccinated. If 4 people are randomly selected,…

A: The question is about discrete probability distribution Given : Popl. prop. of people have been…

Q: Construct the probability distribution of the random variable.

A: A box contains 4 green and 2 blue dice. Three dices are chosen one after the other.   random…

Q: 31% of all college students major in STEM (Science, Technology, Engineering, and Math). If 39…

A: Given,n=39p=0.31Let X=no.of students major in STEM.X~Binomial(n=39 , p=0.31)P(X=x)=39x…

Q: In a large population, 61 % of the people have been vaccinated. If 3 people are randomly selected,…

A: p(vaccinated) = p = 0.61 ∴ p(not vaccinated) = 1 - 0.61 = 0.39 select 3 people at random p(atleast…

Q: In a large population, 56 % of the people have been vaccinated. If 5 people are randomly selected,…

A: given data, p( vaccinated)=p =0.56n=5q=1-p=1-0.56=0.44x= no. of vaccinated

Q: The mean number of boxes shirts purchased from a souvenir store per week is 5. Find the probability…

A:

Q: In a dance class, there are 20 females and 25 males. Fifteen are dancers from G-Force. Eight of the…

A: Given information: n(F)=20n(M)=25Total=45n(G-Force)=15n(M∩G-Force)=8 Find: P(F∪G-Force)=?

Q: In a statistics class of 42 students, there were 11 men and 31 women. Six of the men and seven of…

A:

Q: The Newspaper reports that among individuals in the 40 to 50 age, 45% drink coffee. If 200 people of…

A: Givenp=0.45n=200let "x" be the number of coffee…

Q: The probability that a student in Oakland will receive a B in Kathy Williamson's statistics class is…

A: Given that, The probability that a student in Oakland will receive a B in Kathy Williamson's…

Q: Assume that when adults with smartphones are randomly selected 52% use them in meetings or classes.…

A:

Q: While gathering eggs one day, Lisa has 15 eggs when Liana has 20 eggs at the moment when they…

A: Total number of eggs that Lisa has to throw at Liana = 15 Probability of rotten egg = 10% = 0.1 Let…

Q: Airline flights from Boston to Atlanta are on time 50 % of the time. Suppose 6 flights are randomly…

A: Solution: Let X be the number of flights are on time and n be the number of airline flights from…

Q: A class contains 10 males and 20 females of which half the males and half the females are…

A: We will create a contingency table first. There are 10 males and 20 females (total 30) of which 5…

Q: The amount of time, in seconds, a cashier spends with a customer during lunch time at a fast food…

A: The average amount of time spent with a customer is 160 seconds.

Q: A magazine reported that 6 percent of all drivers talk on their cell phone while driv If 300 drivers…

A: Given data, p=6% =0.06 n=300 P(0.04<X<0.07)=?

Q: 68% of adults would still consider a car brand despite product/safety recalls. You randomly select…

A:

Q: 27% of all college students major in STEM (Science, Technology, Engineering, and Math). If 50…

A: p( major in STEM)=p=0.27q=1-p=1-0.27=0.73n=50x= no. of them major in STEMhere data follows the…

Q: 27% of all college students major in STEM (Science, Technology, Engineering, and Math). If 35…

A: Formula : Binomial distribution is given by

Q: A group of people were asked if life exists elsewhere in the galaxy. 336 responded "Yes", and 400…

A: The number of people believe in existence of life elsewhere in the galaxy is 336. The number of…

Q: In a large population, 51 % of the people have been vaccinated. If 4 people are randomly selected,…

A:

Q: A box containing 8 yellow and 5 red marbles. If two marbles are to be drawn at random without…

A: If the probability of getting selected for each outcome is equal then such outcomes can be termed as…

Q: In a large population, 62 % of the people have been vaccinated. If 4 people are randomly selected,…

A: Answer: From the given data, P(people vaccinated) = P = 62% = 0.62 Number of people selected…

Q: Imagine there are 23 people in a room.  Suppose that these people were selected randomly.  Give a…

A: Introduction: The probability of an event is the number of cases favorable for the event, divided by…

Q: At a sports camp, it was found that 80% of students play soccer, 71% of students play baseball, and…

A:

Q: A jury consists of ten men and five women. Five jury members are selected at random for aninterview.…

A: Obtain the probability of choosing three men and two women. The probability of choosing three men…

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: A jar contains 7 poker chips: 4 blue, 2 red and 1 white. You randomly select two chips from the jar.…

A: GivenA jar containsNo.of blue chips=4No.of red chips=2No.of white chips=1Total no.of chips=7

Q: he proportion of eligible voters in the next election who will vote for the incumbent is assumed to…

A: Given that The proportion of eligible voters in the next election who will vote for the incumbent is…

Q: hat is the probability that at least one of the students got a score? Round to four decimal place.

A: Let , X be the number of students got a score Here , X→B(n=3 , p=0.33) The probability mass function…

Q: What number correctly completes the following probability distribution for the number of boys in a…

A: There are 3 children.