The first 20 people to arrive at the cafeteria are independent. Each has a 3% chance to request gravy on their tater tots. What is the probability that at least one person out of the first 20 requests gravy on their tater tots?

Q: In a group of 40 people, 10 are healthy and every person of the remaining 30 has high blood…

A: Hi! Thank you for the question, As per the honor code, we are allowed to answer three sub-parts at a…

Q: A group of coffee drinkers were asked if they prefer their coffee black or with cream and/or sugar…

A: There are 26+64+12+23 = 125 respondents. Out of them 12 drinks black decaf coffee.

Q: In a company survey of 1000 skiers and bikers it is found that 80% like skiing and 60% like biking.…

A:

Q: Find the probabilities of getting Three 3s and then a 4 or a 5 in 4 rolls of a balanced die

A: a) since probability of a head on a fair coin is 1/2 therefore due to independence of trials P(eight…

Q: In a class of students, the following data table summarizes how many students have a brother or a…

A:

Q: At Seaside Burgers, 14 of the last 20 customers wanted cheese on their burgers. What is the…

A:

Q: In a group of 40 people, 10 are healthy and every person the of the remaining 30 has either high…

A: Note: Hi! Thanks for posting the question. Since there are more than three sub-part questions, we…

Q: A fruit retailer complains to a wholesaler that 60 percent of the boxes of apples shipped to the…

A: Given:X: Number of boxes contain rotten applen: Sample size = 15p: Proportion of the boxes of apples…

Q: A hockey coach was taking her team out to a picnic lunch to celebrate their first win. She made 7…

A: Here we should find the probability that all of them are hummus.

Q: A survey of 200 people was conducted to see if they smoke. The results are shown in the table. Male…

A: Given info: A survey of 200 people was conducted to see if they smoke.

Q: Ms. Smith asks the students in one of her classes if they have a cat or a dog. Her results are…

A: To find the probability that a randomly selected student who has a dog given the student has cat :

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

A: Given information- Sample size, n = 510 The proportion of eligible voters = 0.54 Now, from Binomial…

Q: The air conditioner of 2 out of 10 cars in a car dealership is faulty. For a company that buys 4 of…

A: Giventhe air conditionerof 2 out of 10 carsis…

Q: A survey at a restaurant in small western town yielded the data below: travelers : married 27,…

A: General formula of probability is ,  Probability = Number of favorable outcomesTotal outcomes

Q: 24% of all students enjoy the school lunch.  If there are 2000 students at the school, what is the…

A: It is given that n=2000 and p=0.24.

Q: Of all the students who take the CPA examination, one-fourth have a Master’s degree and the…

A: It is given that one-fourth have a Master’s degree and the remainder have Bachelor’s degrees. Half…

Q: A recent survey found that 62% of the households surveyed had internet access,68% had cable TV, and…

A: Given, A recent surveyA=households survyed has internet accessB= has cable TVPA=62%  =0.62…

Q: 47 percent of students who made a resolution of passing college with high GPA achieved their…

A: Given that, n =155, p =0.47 The values of mean and standard deviation are,

Q: The manager of a restaurant in a commercial building has determined that the proportion of customers…

A: Given data n=100 p=14%=0.14

Q: On any given work day, Lillian notices that as she’s driving to school, she is first stopped by a…

A: Let T denote Train and R denote Red light. Given: PR=0.70PT=0.40 Stopped by red light and train are…

Q: According to the survey, the two most popular social networking sites in the United States are…

A: Let A and B be two events with P(A) > 0. Then the conditional probability of B given A, denoted…

Q: At a hot air balloon festival, Terrell made note of how many passengers were in each balloon and the…

A: We have to find out the probability for contingency table.

Q: Of all the students who take the CPA examination, one-fourth have a Master’s degree and the…

A: One-fourth of the students have a Master’s degree, the remaining students have Bachelor’s degree.…

Q: If the selected chip is white, what is the probability that the other chip in the bowl is red?

A: It is given that the white chip is selected. Hence, either bowl B or bowl C is chosen. (Bowl A has…

Q: Suzie wanted to know if there was a connection between her coffee consumption and how well she slept…

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Q: It is known that in a batch of milk cartons, 30% are underfilled. In a sample of six milk cartons…

A: Given that the batch of milk cartons underfilled is 30% and there are sample of six milk cartons.…

Q: Of all the students who take the CPA examination, one-fourth have a Master’s degree and the…

A: One-fourth of the students have a Master’s degree, the remaining students have Bachelor’s degree.…

Q: At a restaurant, the probability that a customer will order a nonalcohlic drink is .56. Find the…

A: From the provided information, The probability that a customer will order a nonalcoholic drink is…

Q: Of all the students who take the CPA examination, one-fourth have a Master’s degree and the…

A: It is given that one-fourth have a Master’s degree and the remainder have Bachelor’s degrees. Half…

Q: Of all the students who take the CPA examination, one-fourth have a Master’s degree and the…

A: One-fourth of the students have a Master’s degree, the remaining students have Bachelor’s degree.…

Q: A study by the National Park Service revealed that 50 percent of vacationers going to the Rocky…

A: The following information has been given: The probability of vacationers visit Yellowstone Park is…

Q: A spinner is split up into 4 colored areas of the same size: red, blue, green, and yellow. The…

A:

Q: A key shop advertises that the keys made there have a P = 0.85 of working effectively. If you bought…

A: Let "X" be the keys that would work effectively.

Q: The proportions of blood phenotypes A, B, AB, and O in the population of all Caucasians in the…

A: From the provided information, P (A) = 0.40, P (B) = 0.11, P (AB) = 0.04 and P (O) = 0.45

Q: On each turn of the knob, a gumball machine is equally likely to dispense a red, yellow, green or…

A: Probability: Probability is a chance factor that occurs at every outcome of a random experiment.…

Q: Suki is enrolled in one data-management class at her school and Leo is in another. A school quiz…

A:

Q: In a summer camp, 48% of the children are enrolled in swimming and 40% in tennis. One-third of the…

A:

Q: Ashley conducted an experiment to see which one of her friends has the best sense of smell. She…

A:

Q: For a week, a clothing company tracks the amounts spent by its customers, with the results shown to…

A: Here given grouped frequency distribution of amount spent by customers of clothing company

Q: Approximately half of the customers who shop at a particular grocery store are loyalty club members.…

A: Approximately half of the customers who shop at a particular grocery store are loyalty club members.…

Q: In general, after a group makes a reservation at a restaurant, they do not show up 20% of the time.…

A: Multiplication rule for independent events:If two events A and B are independent then the…

Q: The Laurier Company's brand has a market share of 30%. Suppose that 1,000 consumers of the product…

A:

Q: A coin is tossed eight times. What is the probability that the outcome will be eight heads, given…

A:

Q: Out of 800 families with 4 children each, what percentage would be expected to have no girls? Assume…

A: From the provided information, There are 800 families with 4 children each. The probability of girl…

Q: In a company that makes sports bikes, 90% of the bikes pass final inspection and 10% fail and need…

A:

Q: Of all the students who take the CPA examination, one-fourth have a Master’s degree and the…

A: The probability of any two events A and B is given below:

Q: Within the general population in the 21st century, the chances of having twins are about 3 in 100…

A: Given Information: Let A be the event of getting a couple with twin baby. Let B be the event getting…