FREE Trial
Answered step by step
Verified Expert Solution
Link Copied!
Question
1 Approved Answer

An allergy medication is successful in treating 70% of all patients who use it. The medication is given to 200 patients. Let X number


An allergy medication is successful in treating 70% of all patients who use it. The medication is given to 200 patients. Let X number of successful treatments. a. What are the mean and standard deviation of X? b. Use the normal curve to approximate the probability that X is 128 or less.

Step by Step Solution

★★★★★

3.42 Rating (158 Votes )

There are 3 Steps involved in it

Step: 1

Notice that the random variable X is a binomial random variable with n 200 there wee ... blur-text-image
Get Instant Access to Expert-Tailored Solutions

See step-by-step solutions with expert insights and AI powered tools for academic success

Step: 2

blur-text-image_2

Step: 3

blur-text-image_3

Ace Your Homework with AI

Get the answers you need in no time with our AI-driven, step-by-step assistance

Get Started

Recommended Textbook for

Statistics
Statistics

Authors: James T. McClave, Terry T Sincich

12th Edition

9780321831088, 321755936, 032183108X, 978-0321755933

More Books

Students explore these related Mathematics questions

Question

What are the mean and standard deviation of the sampling distribution of x ? What are the mean and standard deviation of the sampling distribution of p?

Answered: 3 weeks ago

Question

Are the values of the mean and standard deviation that are calculated using grouped data exact or approximate values of the mean and standard deviation, respectively? Explain.

Answered: 3 weeks ago

Question

1. What are the mean and standard deviation for the superintendents district? 2. What are the mean and standard deviation for the comparison district? 3. State an appropriate null hypothesis for this...

Answered: 3 weeks ago

Question

You are considering a job offer. The job offers an annual salary of $42,000, $45,000, and $48,000 a year for the next three years, respectively. The offer also includes a starting bonus of $1,000...

Answered: 3 weeks ago

Question

On January 1, 2014, Pace Company purchased 250,000 shares of common stock directly from its subsidiary, Sime Company, for $1.50 per share. Non controlling stockholders elected not to participate in...

Answered: 3 weeks ago

Question

Critique each others performance.

Answered: 3 weeks ago

Question

=+d) Are four out of five consecutive points outside of 1s on either side?

Answered: 3 weeks ago

Question

Robert Campbell and Carol Morris are senior vice presidents of the Mutual of Chicago Insurance Company. They are codirectors of the companys pension fund management division, with Campbell having...

Answered: 3 weeks ago

Question

Animals, Inc. is considering a machine that will cost $ 2 1 , 0 0 0 and which can be sold after 3 years for $ 2 , 0 0 0 . The machine will save Animals costs of $ 1 8 , 0 0 0 per year for 3 years....

Answered: 3 weeks ago

Question

Use Venn diagrams to evaluate the immediate inferences in Part II of this exercise. Identify any that commit the existential fallacy. In part 1. No sculptures by Rodin are boring creations....

Answered: 3 weeks ago

Question

Question 1 (CLO1- PLO1, 5%) a) Define and state an example for each of the following types of communication systems. 1. Simplex (1 marks) ii. Duplex (2 marks) b) Define communication system with aid...

Answered: 3 weeks ago

Question

First Month of Operations The following transactions took place during the first month of operations of Mother Mollys Childcare. On May 1, Molly invests $50,000 to open Mother Mollys Childcare. On...

Answered: 3 weeks ago

Question

10. DJIA (LO4, CFA2) On May 31, 2022, the DJIA opened at 33,160.59. The divisor at that time was .15173. Suppose on this day the prices for 29 of the stocks remained unchanged and I stock increased...

Answered: 3 weeks ago

Question

Burdeno Appliances has two divisions, Sales and Financing. Sales is responsible for selling Burdenos inventory and maintaining inventory for future sale. Financing Division takes loan applications,...

Answered: 3 weeks ago

Question

Jason went to the post office and bought both 41-cent stamps and 26-cent postcards and spent $10.28. The number of stamps was 4 more than twice the number of postcards. How many of each did he buy?

Answered: 3 weeks ago

Question

Albany Division is considering the acquisition of a new asset that will cost $540,000 and have a cash flow of $184,000 per year for each of the four years of its life. Depreciation is computed on a...

Answered: 3 weeks ago

Question

Processing Arrays a. Suppose you have an unsorted array of integers of length n and want to sum all the elements inside it. What is the running time of your algorithm?_____ b. Suppose you have an...

Answered: 3 weeks ago

Question

Question 2 For an n x n matrix A = form) via (aij)

Answered: 3 weeks ago

Question

A bus is scheduled to stop at a certain bus stop every half hour on the hour and the half hour. At the end of the day, buses still stop after every 30 minutes, but because delays often occur earlier...

Answered: 3 weeks ago

Question

A partially completed ANOVA table for a completely randomized design is shown here: a. Complete the ANOVA table. b. How many treatments are involved in the experiment? c. Do the data provide...

Answered: 3 weeks ago

Question

Donations to tax-exempt organizations such as the Red Cross, the Salvation Army, the YMCA, and the American Cancer Society not only go to the stated charitable purpose, but are used to cover...

Answered: 3 weeks ago

Question

1) As the team leader, you have weighed the pros and cons of the five options and prepared a presentation to management on how to address this problem. What do you suggest? 2) Consider each of the...

Answered: 3 weeks ago

Question

Why are project champions said to be better equipped to handle the non-traditional aspects of leadership?

Answered: 3 weeks ago

Question

Assume that the following criteria relevant to the process of screening various construction project opportunities are weighted in importance as follows: Safety (10) Speed to completion (5)...

Answered: 3 weeks ago

Previous Question Next Question