2. On average, a saleslady in a department store spends with her customer is 4 minutes. a) Find the probability that the saleslady spends more than 3 minutes with a customer? b) Find the probability that the saleslady spends between 4 to 5 minutes with a customer?

Q: The probability that a person owns a video game system is 70%. The probability of owning a video…

A: Given : The probability that a person owns a video game system is 70% P(Video game) = 0.7 The…

Q: Make a comment on the probabilities as the number of die increases.

A: Number of die increases in the sense we are assuming in place of 1 die we need to use multiple dies…

Q: f obtaining more tails than head

A: Since the number of outcomes with the 4H and 4T is C(8,4)=70, there is an equal possibility for the…

Q: According to a survey of American households, the probability that the residents own 2 cars if…

A: According to the provided data,

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: A bag contains 2 red marbles and 5 white marbles. What is the probability of drawing two red marbles…

A: What is the probability of drawing two red marbles at random if the first marble drawn is not…

Q: A box contains 4 black balls and 6 white balls and 2 green. If 3 balls are drawn without…

A: GivenA box containsNo.of black balls=4No.of white balls=6No.of green balls=2Total no.of balls=12

Q: In MATH, there were 2 assignments this semester. The probability that you would NOT get above…

A: Given The probability not get above average mark in first assignment is P(A)=0.3. The probability…

Q: An office has 7 men and 6 women employees.  Three employees are picked at random for a trip to…

A: 7 men 6 women  ____________ 13 total employees select 3 at random  P(2 males and 1 female) = ?

Q: Find the probability of drawing six cards of the same suit from and ordinary deck of cards. And can…

A:

Q: contains three red hats, two green hats and one orange hat. Eight hats will be drawn at random with…

A:

Q: There are 12 boys and 14 girls in Mrs. Schultz's math class. She is selecting a  team of 3 students…

A:

Q: You order 13 pizzas, five that are cheese and eight that are mushroom. They arenot labelled on their…

A: There are total 13 boxes.  We can pick any 5 boxes from those 13 boxes in 13C5 ways.    If we want…

Q: Six free tickets to a Manchester United match at Old Trafford will be shared by drawing lots among…

A: Given that: Number of tickets = 6 Number of boys = 10 Number of girls = 8 Each student can win at…

Q: The average number of field mice per acre in a 5-acre wheat field is estimated to be 8. Find the…

A: Given The average number of field mice per acre in a 5-acre wheat field is estimated to be 8. Find…

Q: One card is selected at random from a deck of cards. Determine the probability of selecting a card…

A:

Q: Assume that male and female births are equally likely and that the birth of any child does not…

A:

Q: bag contains 3 pink gumballs, 4 red gumballs, and 2 green gumballs. Find the probability that you do…

A:

Q: For numbers 23-25, refer to the problem. There are one thousand tickets that are sold for P50.00…

A:

Q: find the probability that the educator is a female or an associate professor

A: We have given that an educators at a college were classified according to gender and academic rank.

Q: Suppose you know that a friend has 2 children and you know that the older child is a girl.  You…

A:

Q: Kenya airways quote a flight of 2hrs and 25min for it's the flight from Kenya to juba. Suppose we…

A: From the given information, Kenya airways quote a flight of 2hrs and 25mins for its flight from…

Q: Find the probability that the 12 cards being dealt contain equal number of suits.

A: The probability is the chance of occurrence of observations can involve in the sample by given equal…

Q: Two cards are randomly drawn from a deck of 52playing cards. Find the probability that both cards…

A:

Q: Find the probability of dealing two red cards from a standard deck of cards.

A: In a standard deck of cards, there are 52 cards in total out of which there are 26 red cards and 26…

Q: If half of the 100 passengers are​ men, find the probability that the mean height of the 50 men is…

A: The mean is 69 and standard deviation is 2.8.

Q: A representative from volleyball team selects people from south until he finds a person who attended…

A: Given that  p=0.20 X~Geometric(p=0.20)

Q: find the probability of being dealt a hand of four cards from a standard deck that contains all four…

A: find the probability of being dealt a hand of four cards from a standard deck that contains all…

Q: A card is drawn from a pack of 52 cards. Find the probability of getting a jack of spade or a queen…

A: Given,A card is drawn from a pack of 52 cardsWe have to find the probability of getting a jack of…

Q: In a class of 20 students, there are 12 girls and 8 boys. Three students are selected to be…

A: The probability that the first student selected to be teacher's assistant will be a girl is 12/20.

Q: The probability of a grand piano selling for more than $58,600 is 0.2727. As these pianos sell…

A: The probability that a grand piano is sold for more than While selling these pianos, the probability…

Q: 10% of people born as girl . Calculate the probability that in a batch of 150 students,more than 130…

A:

Q: The probability that a high school student get less than 5 hours of sleep on average is 35.2%. The…

A:

Q: The probability that a random smoker will develop a severe lung condition in his or her lifetime is…

A:

Q: In a class, the probability that a student owns a laptop is 0.2. Find the probability that the 5th…

A: We will consider the case of having a laptop as a success.  Probability of success=  0.2 (given) So…

Q: When women turn 40, their gynecologists typically remind them that it is time to undergo mammography…

A: The data is given as:     Breast Cancer No Breast Cancer Total Positive Mammogram 720 6944 7664…

Q: In a certain coffee shop, each customer orders exactly one cup of coffee, and 60% of customers order…

A:

Q: Suppose there are 12 blue, 8 white and 6 red balls in a bag. If one ball is randomly selected…

A: Answer: From the given data, Number of blue balls = 12 Number of white balls = 8 Number of red balls…

Q: Find the probability that a child flipping an old coin gets the second head on the 9th flip.

A:

Q: If a hockey player takes 78 shots and scores 16 goals, what would be the probability of this player…

A: Total numbers goals =16 number of trails = 78  The probability lies between 0 to 1,

Q: You buy a milkshake from a shoppe that only has chocolate, vanilla and strawberry flavors. Find the…

A: Shoppe has only chocolate, vanilla and strawberry flavor. Number of flavors =3 We have to find the…

Q: Determine the probability of having 2 girls and 3 boys in a 5-child family. State any assumptions…

A: Probability is the measure of statistics which provide the chance of event like to be happen. It is…

Q: A teacher will pick 1 student at random from 50 for the lead in a play. What is the probability of a…

A: Probability of an event is the chance of occurring of that event. That is for an event A the…