The number of trees planted at FRIM is not more than 45 trees a day. The probability that there areno tree planted in a day is 0.4 and the probabilities that there are at most one, two and three treesplanted in a day are 0.70,0.85 and 0.95 respectively. Find the mean number of the number of treesplanted in a day.

From the information, given thatLet X denotes the number of trees planted in a day

Answered: The number of trees planted at FRIM is…

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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A recent survey examined the use of social media platforms. Suppose the survey found that there is a 0.63 probability that a randomly selected person will use Facebook and a 0.28 probability that a randomly selected person will use LinkedIn. In addition, suppose there is a 0.18 probability that a randomly selected person will use both Facebook and LinkedIn. What is the probability that a randomly selected person will not use either social media platform? Your answer should be expressed as a number between 0 and 1, and it has to contain 2 decimal places
The probability of winning the "grand prize" at a fortune spinning wheel is p=0.2. Assume you record the number of grand prizes for a huge number of 100 spins what will be the most frequent number of grand prizes
The probability that a high school student get less than 5 hours of sleep on average is 35.2%. The probability that a randomly chosen high school student gets less than 5 hours of sleep on average AND is in the school's band is 19.5%. What is the probability that a high school student is in band given that they get less than 5 hours of sleep on average?
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Is the probability of a bowler rolling a strike higher after he has thrown four consecutive strikes? Researchers investigated the phenomenon of a "hot hand" in bowling. Frame-by-frame results were collected on 43 professional bowlers. For each bowler, the researchers calculated the proportion of strikes rolled after bowling four consecutive strikes and the proportion after bowling four consecutive nonstrikes. The data on 4 of the 43 bowlers are shown in the accompanying table. Complete parts a and b. Click the icon to view the data table. Click the icon to view a table of critical values for the Wilcoxon signed rank test. a. Do the data on the sample of four bowlers provide support for the "hot hand" theory in bowling? Explain. (Let the differences be After Four Strikes - After Four Nonstrikes.) Set up the null and alternative hypotheses. Ho: The distribution of the proportion of strikes rolled after bowling four consecutive strikes is H₂: The distribution of the proportion of strikes…
Q6. Given a bag with 13 red marbles, and 42 blue marbles, what is the probability of pulling two consecutive blue marbles? Report your answer as a percent rounded to two decimal places.
The probability that a person living in a certain city owns a dog is estimated to be 0.5. Find the probability that the tenth person randomly interviewed in that city is the third one to own a dog.
A history professor decides to give a 12-question true-false quiz. She wants to choose the passing grade such that the probability of passing a student who guesses on every question is less than 0.10. What score should be set as the lowest passing grade?
The probability of a particular soccer team winning a game is 0.30. The probability of the team losing a game is 0.42. The probability that the team neither wins nor loses their next game, to the nearest hundredth is
A professor wants to know if her Psychology statistics class has a good grasp of Basic math. Six students are chosen at random from the class and given a math proficiency test. The professor wants the class to be able to score above 70 on the test. The six students get scores of 62, 92, 75, 68, 83, and 95. Can the professor have confidence that the mean score for the class on the test would be above 70 at a = 0.10? What is the null hypothesis? What is the alternative hypothesis? What is the test statistic to be used? What is the appropriate critical region? What is the actual value of the test statistic? What is the statistical decision? What is the statistical conclusion?

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