At a coffee shop, 80% of customers purchase a drink, 40% purchase something to eat, and 20% purchase both a drink and something to eat.
1. What fraction of customers purchase only a
drink?
2. Given that someone bought something to eat, what is the
probability they also got a drink?
3. Given that someone bought a drink, what is the probability they didn’t buy anything to eat?
At a coffee shop, 80% of customers purchase a drink, 40% purchase something to eat, and...
At a coffee shop, 80% of customers purchase a drink, 40% purchase something to eat, and 20% purchase both a drink and something to eat. 3. (a) What fraction of customers purchase only a drink? (b) Given that someone bought something to eat, what is the probaility they also got a drink? (c) Given that someone bought a drink, what is the probability they didn't buy anything to eat?
6. At Pierre’s Coffee Shop, 65% of customers order coffee, 20% order tea, and 11% order fruit juice, while 4% do not order anything to drink. In addition, 39% order a muffin, 26% order a bagel, and 23% order a Danish, while 12% do not order anything to eat. Finally, 8% of customers order both tea and a Danish, and 47% of people order fruit juice given that they have ordered a muffin. Assume that an individual customer will not...
6. Suppose that, of all the customers at a coffee shop, 70% purchase a cup of coffee; 40% purchase a piece of cake; 20% purchase both a cup of coffee and a piece of cake. Given that a randomly chosen customer has purchased a piece of cake, what is the probability that he/she has also purchased a cup of coffee?
Holly whants to prove that less than fifty percent of customers at the coffee shop she works at buy food alongside a drink.On a monday she counts 37 customers buy drinks but only 12 customers also buy something to eat.
QUESTION 4 20 At a sandwich shop, 42% of customers buy a drink with their sandwich. Only 28% of customers buy a drink and chips with their sandwich. What is the probability that a customer who buys a drink also buys chips? OA. 14% OB. 1.5% C. about 66.7% D. 70%
At a certain coffee shop, all the customers buy a cup of coffee and some also buy a doughnut. The shop owner believes that the number of cups he sells each day is normally distributed with a mean of 310cups and a standard deviation of 21cups. He also believes that the number of doughnuts he sells each day is independent of the coffee sales and is normally distributed with a mean of 180 doughnuts and a standard deviation of 11....
In an Italian breakfast café, a waitress has observed that 80% of her customers order coffee while the other 20% order a different drink. If a customer orders coffee, there is a 0.42 probability the customer will also order biscotti. On the other hand, only 15% of customers who ordered a different drink also order biscotti. Let B = a randomly selected customer orders biscotti and C- a randomly selected customer orders coffee a) Create EITHER a hypothetical two-way table...
The probability distribution of customers that walk into a coffee shop on any given day of the week is described by a Normal distribution with mean equal to 100 and standard deviation equal to 20. What is the probability that no more than 80 customers walk into the coffee shop next Monday? Approximately 16% Approximately 50% Approximately 84% Approximately 95%
80% of visitors to a shoe store purchase something before they leave. Suppose 25 independent customers visit the store. Given that at least 18 customers purchase something, what is the probability that at most 21 customers purchase something?
You are the manager of a local coffee shop. There are two types of customers in your market, coffee addicts, and casual drinkers. Because coffee addicts buy large amounts of coffee, they are more willing to shop around for low prices and so, if you charge more than $2 for a medium coffee, which is what your competitor charges, they will not come to you at all. If you charge less than your competitor, they will each buy 8 drinks...