Question

At a certain fast-food restaurant, 10% of drink orders are for a small drink, 30% for...

At a certain fast-food restaurant, 10% of drink orders are for a small drink, 30% for a medium, and 60% for a large. A random sample of 20 orders is selected for audit. What is the probability that the numbers of orders for small, medium and large drinks are 4, 6, and 10, respectively? (Round your answer to four decimal places.)

Math   Statistics-And-Probability   
0 0
Add a commentTranscribed image text
Next >

Homework Answers

Answer #1

0 0
Know the answer?
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Log In

Sign Up

Not the answer you're looking for?
Ask your own homework help question
Similar Questions
The delivery times for all food orders at a fast-food restaurant during the lunch hour are...
The delivery times for all food orders at a fast-food restaurant during the lunch hour are normally distributed with a mean of 10.7 minutes and a standard deviation of 4.6 minutes. Let x¯ be the mean delivery time for a random sample of 10 orders at this restaurant. Calculate the mean and standard deviation of x¯. Round your answers to two decimal places. Mean of x¯=____  minutes Standard deviation of x¯=____  minutes
In a study of the accuracy of fast food​ drive-through orders, one restaurant had 30 30...
In a study of the accuracy of fast food​ drive-through orders, one restaurant had 30 30 orders that were not accurate among 355 355 orders observed. Use a 0.10 0.10 significance level to test the claim that the rate of inaccurate orders is equal to​ 10%. Does the accuracy rate appear to be​ acceptable?
In a study of the accuracy of fast food drive-through orders, one restaurant had 37 orders...
In a study of the accuracy of fast food drive-through orders, one restaurant had 37 orders that were not accurate among 301 orders observed. Use a 0.01 significance level to test the claim that the rate of inaccurate orders is equal to 10%. Does the accuracy rate appear to be acceptable? Identify the test statistic for this hypothesis test. ( Round to two decimal places as needed.)
The average hourly wage of workers at a fast food restaurant is $8.50/hr. Assume the wages...
The average hourly wage of workers at a fast food restaurant is $8.50/hr. Assume the wages are normally distributed with a standard deviation of $0.40. If a worker at this fast food restaurant is selected at random, what is the probability that the worker earns more than $9.25? Write your answer as a percentage and round to two decimal places.
In a study of the accuracy of fast food​ drive-through orders, one restaurant had 39 orders...
In a study of the accuracy of fast food​ drive-through orders, one restaurant had 39 orders that were not accurate among 341 orders observed. Use a 0.01 significance level to test the claim that the rate of inaccurate orders is equal to​ 10%. Does the accuracy rate appear to be​ acceptable? Identify the null and alternative hypotheses for this test. Choose the correct answer below. Identify the test statistic for this hypothesis test. The test statistic for this hypothesis test...
In a study of the accuracy of fast food​ drive-through orders, one restaurant had 30 orders...
In a study of the accuracy of fast food​ drive-through orders, one restaurant had 30 orders that were not accurate among 399 orders observed. Use a 0.05 significance level to test the claim that the rate of inaccurate orders is equal to​ 10%. Does the accuracy rate appear to be​ acceptable? Identify the null and alternative hypotheses for this test. Choose the correct answer below. A. Upper H 0 p equals= 0.1 Upper H1​: p does not equal≠ 0.1 B....
In a study of the accuracy of​ fast-food drive-through​ orders, a restaurant had 41 orders that...
In a study of the accuracy of​ fast-food drive-through​ orders, a restaurant had 41 orders that were not accurate among 423 orders observed. Use the bootstrap method to construct a 90​% confidence interval estimate of the proportion of orders that are not accurate. Use the 200 accompanying bootstrap samples. How does the result compare to the 90​% confidence interval 0.073 less than p less than 0.121 constructed using the sample​ proportion? Click the icon to view the bootstrap samples. The...
In a benchmark study, a fast food restaurant had an average service time of 2.2 minutes....
In a benchmark study, a fast food restaurant had an average service time of 2.2 minutes. Assume that the service time for the fast food restaurant has an exponential distribution. (Round your answers to four decimal places.) Suppose the manager of the restaurant is considering instituting a policy such that if the time it takes to serve you exceeds six minutes, your food is free. What is the probability that you will get your food for free?
In a study of the accuracy of fast food​ drive-through orders, one restaurant had 39 orders...
In a study of the accuracy of fast food​ drive-through orders, one restaurant had 39 orders that were not accurate among 327 orders observed. Use a 0.10 significance level to test the claim that the rate of inaccurate orders is equal to​ 10%. Does the accuracy rate appear to be​ acceptable? Identify the null and alternative hypotheses for this test. Choose the correct answer below. Identify the test statistic for this hypothesis test. The test statistic for this hypothesis test...
You are the manager of a restaurant for a​ fast-food franchise. Last​ month, the mean waiting...
You are the manager of a restaurant for a​ fast-food franchise. Last​ month, the mean waiting time at the​ drive-through window for branches in your geographical​ region, as measured from the time a customer places an order until the time the customer receives the​ order, was 3.7 minutes. You select a random sample of 64 orders. The sample mean waiting time is 3.41 ​minutes, with a sample standard deviation of 0.8 minute. Find the​ p-value. p-value= ( ) ​(Round to...
ADVERTISEMENT
Need Online Homework Help?

Get Answers For Free
Most questions answered within 1 hours.

Ask a Question
ADVERTISEMENT