At a certain fast-food restaurant, 25% of drink orders are for a small drink, 35% for a

Question:

At a certain fast-food restaurant, 25% of drink orders are for a small drink, 35% for a medium, and 40% for a large. A random sample of 20 orders is selected for audit.

a. What is the probability that the numbers of orders for small, medium and large drinks are 5, 7, and 8, respectively?

b. What is the probability that more than 10 orders are for large drinks?

Fantastic news! We've Found the answer you've been seeking!

Step by Step Answer:

Related Book For book-img-for-question

Statistics For Engineers And Scientists

ISBN: 9780073401331

4th Edition

Authors: William Navidi

See More Books

Question Posted: Nov 17, 2018 05:44 AM

See More Questions

a. You are the manager of a fast food restaurant. You want to determine whether the population means waiting time to place an order has changed in the past month from its previous population mean...
Customers at a fast-food restaurant buy both sandwiches and drinks. The following joint distribution summarizes the numbers of sandwiches (X) and drinks (Y) purchased by customers. (a) Find the...
All fast-food workers at a randomly selected fast-food restaurant are selected and asked how many hours per week they work. Classify each sample as random, systematic, stratified, cluster, or other.
What is the net present value of the following cash flows if the relevant discount rate is 7 percent? 0 -11520 1 81 2 650 3 880 4 2300 5 15800
What accounts for the different colors in either a soap bubble or a layer of gasoline on water?
Let A be a 4 5 matrix. If a1, a2, a4 are linearly independent and a3 = a1 + 2a2 a5 = 2a1 - a2 + 3a4 determine the reduced row echelon form of A.
With reference to Exercise 3.25, suppose that three of the spark plugs are defective. In how many ways can 4 spark plugs be selected so that (a) one of the defective plugs is selected; (b) two of the...
What are noncash investing and financing activities? Provide an example. How are such transactions shown on the statement of cash flows?
difference between index and index fund difference between uits and eitfs give an example from pakistani market
Design: (a) A 16-bit adder whose worst-case add-time is 10 using a 4-bit CLA as a building block. (b) The fastest 64-bit adder using a 4-bit CLA as the building block. Estimate the worst-case...
The concentration of particles in a suspension is 30 per mL. a. What is the probability that a 2 mL sample will contain more than 50 particles? b. Ten 2 mL samples are drawn. What is the probability...
A thermocouple placed in a certain medium produces readings within 0.1C of the true temperature 70% of the time, readings more than 0.1C above the true temperature 10% of the time, and readings more...
1. Debate the pros and cons of allowing these companies to target children. Are these efforts socially responsible behavior? 2. Review the Children's Online Privacy Protection Act at www .coppa.org/....
"To what extent does the implementation of strategic leadership paradigms contribute to the effective orchestration of organizational change initiatives, ensuring seamless adaptation and sustained...
Listening can affect a listener's ability to understand or process a message. Recall a moment when you had difficulty or biases in listening to a message from anyone speaking (a sender). Was it...
Communication apprehension refers to the fear or anxiety people experience at the thought of being evaluated by others. When was the last time you (or watched someone else) experience(d) anxiety in...
Please read the scenario: A friend comes to you depressed and talks about how "lousy" a person she is. Your friend has a very negative view of herself. You've noticed that for the last several weeks...
In your opinion, what is/are the most critical factors in Controlling Costs in a Project? Use PMBOK to justify your answer.
Exhibits 1.191.21 of Integrative Case 1.1 (Chapter 1) present the financial statements for Walmart for 20122015. In addition, the website for this text contains Walmarts December 31, 2015, Form 10-K....
Suppose that a company has 10.000 outstanding shares in the beginning of the year. On April 1st, the company increases its shares by 6.000. On July 1st, the company increases its shares again, but...
A new process for synthesizing methanol from methane is under study to evaluate its technical feasibility. Design simulations indicate that the reactor must have a mean methane conversion greater...
The article "Effect of Granular Subbase Thickness on Airfield Pavement Structural Response" (K. Gopalakrishnan and M. Thompson, Journal of Materials in Civil Engineering, 2008:331-342) presents a...
Specifications call for the wall thickness of two-liter polycarbonate bottles to average 4.0 mils. A quality control engineer samples 7 two-liter polycarbonate bottles from a large batch and measures...
How does culture relate to political and security issues in the world? Please provide specific examples. 2 What are the most significant contemporary security issues in the world? How does culture...
Tree Seedlings has the following current-year purchases and sales for its only product. Units Acquired at Cost Date January 1 Activities Beginning inventory January 3 Sales February 14 February 15...
A cylindrical log is cut as shown to form a park bench. Find: a. The area of triangle OAB in m. [2] b. The volume of the log in m. [3] B 70% 40 cm 3m

At a certain fast-food restaurant, 25% of drink orders are for a small drink, 35% for a

Question:

Step by Step Answer:

Let X 1 denote the number of orders for a small drink let X 2 denote the nu...View the full answer

Statistics For Engineers And Scientists

Students also viewed these Mathematics questions