A restaurant prides itself on making excellent blueberry muffins. In a sample of 123 muffins, the average number of blueberries in each muffin is 14.2. What is the probability that:
A restaurant prides itself on making excellent blueberry muffins. In a sample of 123 muffins, the...
A commercial bakery has recorded sales (in dozens) for three products, as shown below: Day Blueberry Muffins Cinnamon Buns Cupcakes 1 30 17 46 2 33 16 12 3 32 18 16 4 32 18 49 5 35 21 22 6 32 22 17 7 31 24 14 8 38 22 51 9 29 25 18 10 33 26 18 11 38 26 11 12 32 27 54 13 39 29 17 14 32 33 14 15 37 35 12...
A commercial bakery has recorded sales (in dozens) for three products, as shown below: Day Blueberry Muffins Cinnamon Buns Cupcakes 1 52 16 68 2 52 15 32 3 52 17 36 4 52 17 71 5 56 20 44 6 52 21 39 7 54 25 38 8 58 22 71 9 49 26 38 10 53 28 36 11 59 29 33 12 53 29 70 13 58 30 39 14 51 32 36 15 52 34 33...
9.14 The average credit card debt is currently averaging $15,000 (15) with a standard deviation of 5,000 (5). What is the probability that (use single digits): a. Mrs. Yono will have a debt of more than 9 thousand dollars? b.Mr. Lopez will have a debt more than 8 thousand? c. A sample of 20 people will have a debt less than 12 thousand? d. A sample of 20 people will have a debt between 14 and 16 thousand?
9.14 The...
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The ages of a sample of eight commercial planes which an airine uses at O Hare Field are: 15, 18, 22, 3, 15, 21, 12, 14 What is the Interquartie range? (6 points) 13. 14. If one of the planes from the sample is seledted at random, what is the probability that age will be less than the mode? (6 points) 15 The shift changes after 5 more of these planes isted depart. How many different...
The Consumer Reports Restaurant Customer Satisfaction Survey is based upon visits to full-service restaurant chains. One of the variables in the study is meal price, the average amount paid per person for dinner and drinks, minus the tip. Suppose a reporter for the Sun Coast Times thought that it would be of interest to her readers to conduct a similar study for restaurants located in small town of South Carolina. The reporter selected a sample of seafood restaurants, Italian restaurants, and steakhouses. The following...
. Fowle Marketing Research, Inc., bases charges to a client on the assumption that telephone surveys can be completed in a mean time of 15 minutes or less. If a longer mean survey time is necessary, a premium rate is charged. A sample of 35 surveys provided the survey times shown in the file named Fowle. Based upon past studies, the population standard deviation is assumed known with σ = 4 minutes. Is the premium rate justified?(a). Formulate the null...
In a large restaurant an average of 2 out of every 5 customers ask for water with their meal. A random sample of 10 independent customers is selected. (a) What is the probability that exactly 6 customers ask for water with their (b) What is the probability that less than 9 customers ask for water with their (c) What is the expected number of customers who ask for water with their (d) What is the variance of the number of...
data: (copy and paste in excel to view columns in alignment)
Sample Repair Time (days)
1 12
2 17
3 9
4 16
5 10
6 18
7 12
8 14
9 15
10 14
11 14
12 8
13 11
14 10
15 8
16 8
17 14
18 12
19 14
20 13
21 12
22 15
23 15
24 10
25 24
26 17
27 13
28 15
29 13
30 15
31 36
32 40
33 ...
The probability a telesales representative making a sale on a customer call is .15. Find the probability: a) Her first sale comes after 5 calls. b) Her first 5 calls went with out a sale. What is the probability she will have to make more than 13 calls until her first sale? c) Less than 2 sales are made on 5 calls. Representatives are required to make an average of at least 4 sales a day or they are fired....