Let the random variable X be the number of months that a certain owner ofan estate needs to pay a loan in the Bank if he/she has a contract with insurancecompany to help him/her to pay a loan. Say X has the p.m.ff(x) = x = 1,2,3,45-x10'If the owner of an estate is to receive from an insurance company $200 for each ofthe first two months in the Bank and $100 for each month after the first twwhat is the expected payment for the loan in the Bank?

Let Y be a random variable denoting the amount of loan. first, two months' amount is $200 received…

Answered: Let the random variable X be the number…

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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A special education teacher did research on whether or not there is a relationship between the number of students in his class and the number incidents of “acting out” behaviors exhibited by the autistic students in the classroom. He collects data for a year and aggregates them by month. He obtained the statistics below, r= -.863 R2=.74 b= -1.212294 a= 131.176598 10.) How does the presence of more students affect the incidents in the class? a) as students are added the incidences increase b) as students are added the incidences decrease c) the number of students does not affect acting out d) the number of students caused more incidents How much of the variability of acting out is explained by the number of students in the class?___________
Letters d and e on question 2
(a) Find the probability of randomly selecting a household that has one or two televisions. The probability is 0.42'. (Type an integer or a decimal. Do not round.) (b) Find the probability of randomly selecting a household that has two or more televisions. The probability is 0.82". (Type an integer or a decimal. Do not round.) (c) Find the probability of randomly selecting a household that has between one and three televisions, inclusive. The probability is 0.97'. (Type an integer or a decimal. Do not round.) (d) Find the probability of randomly selecting a household that has at most two televisions.
) If the probability of a person getting a job is x / 3 The probability of not getting a job is 2/3 . So what is the value of x
Questions (i) and (ii). Please!
A deck has only 51 cards left, because a spade has been removed. From this deck, cards will be drawn at random, in succession, without replacement. Let Xi be a random variable representing the number of spades in the future i th draw. Calculate the following, and present your answer with 5 digits after the decimal point: Prob(X1 + ... + X7 = 3) = [1]
an unfair coin with Pr[H]=0.85 is flipped. If the flip results in a head, one student is selected at random from a class of 4 girls and 6 boys. If the flip results in a tail, one student is selected from a different class containing 7 girls and 3 boys. Find the probability that the flip resulted in heads given that a boy was selected.
It is known that in a certain town 30% of the people own an Kpfone. A researcher asks people at random whether they own an Kpfone. The random variable X represents the number of people asked up to and including the first person who owns an Kpfone. Determine that P(X <6).
A drawer holds purple socks and yellow socks. If n socks are taken out of the drawer at random, the probability that all are yellow is 1/2. What is the smallest possible number of socks in the drawer (as a function of n)?
A survey of heads of households showed the percentage of those who asked for a raise and the percentage of those who asked for a raise and the percentage who got one. Accordig to the survey, of the omen interviwed 28% asked for a raise, and of those women who asked for a raise, 45% recieved the raise. If a woman is selected at random from the survey population of women, find the following probabilites. (To three decimal places) P(woman asked for a raise) P(woman recieved raise, given she asked for one) P(woman asked for raise and recieved raise)

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