Answered: Considering two events with P(B)=.4 ,…

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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Similar questions

Mensa requies a test score to be in the top 2%. The test has a mean of 100 and Std. Dev. of 15.and scores are normally distributed. If 4 subjects take the test and they have a mean of 132 but the individual scores are lost, can we conclude that all 4 of them are eligible for Mensa?
For the experiment of rolling an ordinary pair of dice, find the probability that the sum will be less than 7 or greater than 11.
What is the probability that a Z-score will be 0.92 or less?
How could knowledge of probabilities be used to analyze the data given in the table?
Consider X is a random variable and has equal probability of being -1,0,+1. What is the correlation between X and Y while Y=X*X.
While gathering eggs one day, Lisa has 15 eggs when Liana has 20 eggs at the moment when they started throwing them at each other. If 10% of the eggs are rotten, use the Binomial Distribution to calculate the probability that Lisa was hit by 3 or fewer rotten eggs from Liana.
- Assume that you have a random variable X which is binomially distributed, and someone told you that the mean of this variable is (6) and variance is (4.2). Find P(X=5).
A bag contains (x + 1) yellow balls, x black balls and (x – 1) white balls. Probability of getting a yellow ball is (2/15) more than that of getting a white ball. Find the value of x.
Charlie is about to take two laps in the school swimming pool. The time of his first lap is X minutes, where X is an Exponential(1) random variable. The time of his second lap is Y minutes, where Y is an Exponential(X) random variable. What is the probability that he completes his second lap within one minute?
What is the probability that a z-score will be 0.92 or more?
researcher wonders if the amount of sleep new parents get is associated with how grumpy they are. The researcher recruits a sample of 100 new parents and asks them (1) how many hours of sleep they are getting each night, (2) how many hours of sleep their baby is getting each night, and (3) how grumpy they 4 are on a scale from 0 (not at all grumpy) to 100 (very grumpy). They saved the results to a file called hwo_parenthood. cs. Load the data into jamovi and answer the following questions. 3. What is the value of the test statistic for each association? 4. What is the degrees of freedom for each association? 5. What is the precise p-value as reported by jamovi for each association? Make sure you report the value to at least three decimal places. 6. Which of the associations are significant?? 7. What is the direction of each association ? 8. What is the effect size for each association? Are they weak, moderate, or strong? 9. What does each of the associations mean in plain language?
If there are 65 successes of 150 trials in the one group, and 115 successes of 200 in another, test if the groups significantly different? Use ? = 0.05.

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Considering two events with P(B)=.4 , P(A|B)=.25 and P(A or B)=.6 Find P(A and B)= Find P(A)= Find P(B|A)=