Assume that x is a binomial random variable with n = 80 and p = 0.5. Use a normal approximation to find each of the following probabilities. a. P(x ≤33) b. P(37 ≤x≤47) c. P(x ≥ 36)
Assume that x is a binomial random variable with n = 80 and p = 0.5. Use a normal approximation to find each of the following probabilities. a. P(x ≤33) b. P(37 ≤x≤47) c. P(x ≥ 36)
A First Course in Probability (10th Edition)
10th Edition
ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
Chapter1: Combinatorial Analysis
Section: Chapter Questions
Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...
Related questions
Question
Please do a-c and round to 4dp.
Transcribed Image Text:Assume that x is a binomial random variable with n = 80 and p = 0.5. Use a normal
approximation to find each of the following probabilities.
a. P(x ≤ 33)
b. P(37 ≤x≤47)
c. P(x ≥ 36)
a. P(x≤33) =
(Round to four decimal places as needed.)
Expert Solution
This question has been solved!
Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.
Step by step
Solved in 4 steps with 3 images
Recommended textbooks for you
A First Course in Probability (10th Edition)
Probability
ISBN:
9780134753119
Author:
Sheldon Ross
Publisher:
PEARSON
A First Course in Probability (10th Edition)
Probability
ISBN:
9780134753119
Author:
Sheldon Ross
Publisher:
PEARSON