For #s 7- 8, refer to the problem below:A hospital researcher is interested in the number of times the average post-op patient willring the nurse during a 12-hour shift for a random sample of 50 patients. The followinginformation was obtained.1234P(x)0.080.160.320.280.120.04 What is the expected value?1.221.051.771.50

Given that ; X and thier corresponding probability is given P(X = x) . By using expectation…

Answered: What is the expected value? 1.22 1.05…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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Construct a Binomial probability distrubtion table using n=5n=5 and p=0.27p=0.27. Next, record the mean and standard deviation of the distribution below. Where necessary, round all numbers to four decimal places.
ELEVEN The producer of a weight-loss pill advertises that people who use the pill lose, after one week, an average (mean) of 1.8 pounds with a standard deviation of 1.02 pounds. In a recent study, a group of a a 60 people who used this pill were interviewed. The study revealed that these people lost a mean of 1.73 pounds after one week. If the producer's claim is correct, what is the probability that the mean weight loss after one week on this pill a for a random sample of 60 individuals will be 1.73 pounds or less? Carry your intermediate computations to at least four decimal places. Round your answer to at least three decimal places.
What is the expected value of X? And standard deviation? How do you do it.
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0 1 P(G) 0.05 0.15 0.3 0.5 2 3 Find the expected value of the probability distribution. Round to two decimal places. b. Find the standard deviation of the probability distribution. Mound to two decimal places.
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What is the expected value? 1.22 1.05 1.77 1.50