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

Step: 3

blur-text-image

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

Authors: James T. McClave, Terry T Sincich

12th Edition

9780321831088, 321755936, 032183108X, 978-0321755933

More Books

Students also viewed these Mathematics questions

Question

Critique each others performance.

Answered: 1 week ago

Question

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

Answered: 1 week ago