Question
In: Math
At a certain coffee shop, all the customers buy a cup of coffee and some also...
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 330 cups and a standard deviation of 23 cups. 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 170 doughnuts and a standard deviation of 13. Complete parts a) through c).
Question: The shop is open every day but Sunday. Assuming day-to-day sales are independent, what's the probability he'll sell over 2000 cups of coffee in a week? _____________ (round to three decimals as needed.)
Question: Whats the probability that on any given day he'll sell a doughnut to more than half of his coffee customers ? ___________ (round to three decimal places as needed).
Solutions
milcah answered 1 year agoRelated Solutions
At a certain coffee shop, all the customers buy a cup of coffee and some also...
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 340 cups and a standard deviation of 18 cups. 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...
Question 16 The customers at Peete's coffee shop want to grab a quick cup of coffee...
Question 16
The customers at Peete's coffee shop want to grab a quick cup of
coffee before boarding the Metra train into Chicago. The sign in
the window promises "Quick, In-and-Out Service," and usually
Peete's Coffee Shop keeps that promise. But one morning, customers
were frustrated when the staff behind the counter showed more
interest in gossiping about their social lives than in waiting on
customers. Peete's coffee shop is suffering from a ________
gap.
knowledge
social expectations...
Using JAVA The Jumpin' Jive coffee shop charges $2 for a cup of coffee and offers...
Using JAVA
The
Jumpin'
Jive
coffee shop charges $2 for a cup of coffee and offers the add-ins
shown in Table 6-2.
Design the logic for an application that allows a user to enter
ordered add-ins continuously until a
sentinel value is entered. After each item, display its price or
the message Sorry, we do not carry
//that as output. After
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whipper cream 0.89
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You may purchase a cup of coffee at a coffee shop, pay your telephone bill, purchase...
You may purchase a cup of coffee at a coffee shop, pay your
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the University of Toronto (Links to an external site.)Links to an
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question: What is a...
The owner of a specialty coffee shop wants to study coffee purchasing habits of customers at...
The owner of a specialty coffee shop wants to study coffee
purchasing habits of customers at her shop. She selects
a random sample of 60 customers during a certain week. Data are
available in the worksheet labeled “Problem 2”
in the spreadsheet.
1. Construct a 90% confidence interval on the proportion of
customers who say they “definitely will”
recommend the specialty coffee shop to family and friends.
Problem 2 Data Set
Note: Y is an indicator variable, i.e., if Y=1,...
The owner of a specialty coffee shop wants to study coffee purchasing habits of customers at...
The owner of a specialty coffee shop wants to study coffee
purchasing habits of customers at her shop. She selects a random
sample of 60 customers during a certain week. Data are available in
the worksheet labeled “Problem 2” in the spreadsheet
Final_SU2020_Data_Sets.xlsx. 1. At the ? = 0.1 level of
significance, is there evidence that more than 50% of the customers
say they “definitely will” recommend the specialty coffee shop to
family and friends? 2. Construct a 90% confidence...
The owner of a specialty coffee shop wants to study coffee purchasing habits of customers at...
The owner of a specialty coffee shop wants to study coffee
purchasing habits of customers at her shop. She selects a random
sample of 60 customers during a certain week. Data are available in
the worksheet labeled “Problem 2”.
1. At the a = 0.1 level of significance, is there evidence that
more than 50% of the customers say they “definitely will” recommend
the specialty coffee shop to family and friends?
2. Construct a 90% confidence interval on the proportion...
The owner of a specialty coffee shop wants to study coffee purchasing habits of customers at...
The owner of a specialty coffee shop wants to study coffee
purchasing habits of customers at her shop. She selects a random
sample of 60 customers during a certain week, with the following
results:
• The amount spent was X = +7.25, S = +1.75.
• Thirty-one customers say they “definitely will” recommend
the specialty coffee shop to family and friends.
a. At the 0.05 level of significance, is there evidence that
the population
mean amount spent was different from...
4. The owner of specialty coffee shop wants to study coffee purchasing habits of customers at...
4. The owner of specialty coffee shop wants to study coffee
purchasing habits of customers at her shop. She selects a random
sample of 60 customers during certain week, with the following
results:
The amount spent was ? = $7.25, S = $1.75
Thirty-one customers say they definitely will” recommend the
specialty coffee shop to family friends.
a. At the 0.05 level of significance, is there evidence that the
population mean amount spent was different from $6.50? (IS THIS
RIGHT?)...
4. The owner of specialty coffee shop wants to study coffee purchasing habits of customers at...
4. The owner of specialty coffee shop wants to study coffee
purchasing habits of customers at her shop. She selects a random
sample of 60 customers during certain week, with the following
results:
The amount spent was ? = $7.25, S = $1.75
Thirty-one customers say they definitely will” recommend the
specialty coffee shop to family friends.
a. At the 0.05 level of significance, is there evidence that the
population mean amount spent was different from $6.50?
b. Determine the...
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