2. The probability distribution of sales of a new drug in units per day is given by:S(2) =r = 1,2, 3, 4, 5, 6a. What is the probabilty that at least 3 units are sold in one day?b. Construct probability distribution table with cumulative distribution functionc. Use F(a) to evaluate P(2 3)

2. Given information: fx=kx2, x=1,2,3,4,5,6 Therefore,…

Answered: 2. The probability distribution of…

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...

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If a random sample of 40 is taken from each of the following distribution find the probability for each case that the sample mean exceeds 6.1 b. X~B(10,0.6)
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1. A roulette wheel is divided into 25 sections of equal area numbered from 1 to 25. Find a formula for the probability distribution of X, the number that occurs when the wheel is spin. Find the probability that the number is less than 5. Also, compute the mean and the variance of the random variable X.
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The time between arrivals of customers at the drive-up window of a bank follows an exponential distribution with a mean of 20 minutes. a)What is the probability that the arrival time between customers will be 13 minutes or less? b)What is the probability that the arrival time between customers will be between 13 and 27 minutes?
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10. In a survey carried out it is found that 25% of the students in Uni Razak have Ducati monster 795. a. If 10 students are chosen at random find the probability that half of them have Ducati monster 795 b. If there are 3 000 students find the mean and standard deviation of students whom have Ducati monster 795
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2. The probability distribution of sales of a now drug in units per day is given by: - 1,2, 3, 4, 5, 6 a. What is the probabilty that at least 3 units are sold in one day? Jebilitu di diutriluti