Show that the following function is a valid probability mass function of the random variable X. p(x) = (()*, x = 1,2,3,...

Q: e values of a and B. e probability that on any given day the daily power consumption will exceed 14…

A: Given Mean=12 Variance=48

Q: Construct the indicated confidence interval for the population mean μ using the t-distribution.…

A: Givenc=0.95Mean(x)=13.4standard deviation(s)=3.0sample size(n)=8

Q: When flipping a coin, two outcomes are possible, such as head and tail. what is the sample space ?

A: GivenA coin is flipped one time

Q: A study on the correlation between sleep quality and academic performance of SHS students is done by…

A:

Q: Pandora, the owner of a food delivery app, knows from experience that the time needed to assemble a…

A: (A)   Obtain the proportion of food deliveries that took less than 15 minutes to assemble. The…

Q: The random variable X, representing the number of cherries in a cherry puff, has the probability…

A: The random X denotes the number of cherries in a cherry puff.

Q: How many ways can you choose 4 cookies from a cookie jar containing 25 cookies of all the same type?…

A: Given data  You have 25 cookies.  Select 4 cookies  No. If ways to choose cookies =?

Q: Q3:A: An urn contain three red balls,two blue ball and five white balls, A ball is selected and its…

A:

Q: Please help me ASAP within an hour, I will like your answer. Thank

A: Given that A box containing 2 Red, 3 Green and 2 Blue Balls. Let R be the event that a ball drawn is…

Q: text dianco cow yote na wewe ni mu 2) A poll at Ford College's branch campus found that about 800…

A: Hi there! Since there are multiple questions we will solve one question for you. To get remaining…

Q: Test the claim about the population mean, μ, at the given level of significance using the given…

A: Given,Claim: μ=50α=0.03σ=3.64x¯=49.7 n=70

Q: In a certain battery manufacturing plant, three factories, F1, F2, and F3, make 35%, 47%, and 18%,…

A:

Q: probability that the interval between succeeding messages is more than 1 hour

A: HERE given ,   As a data analyst, I received requests at a rate of 1 every 25 minutes,…

Q: Find: c, F(x), and P(6 < X < 8).

A: HERE GIVEN,  discrete probability distribution of x  here use basic of discrete probability…

Q: On a hiking trip, the ratio of the number of children to the number of adults is 3 to 5. Which of…

A:

Q: Find the margin of error for the given values of c, s, and n. c=0.99, s=2.1, n=17 Click the icon to…

A: Given,c=0.99 , s=2.1 , n=17degrees of freedom(df)=n-1df=17-1=16α=1-0.99=0.01α2=0.005t0.005(16)=2.921…

Q: Let the two dimensional discrete random variable (X,Y) have the following joint probability…

A: Note: Hi, thank you for the question. As per our company guideline we are supposed to answer only…

Q: Click here to view page 2 of the standard normal distribution table. student(s) (Round to the…

A: It is given that  Mean, μ = 117 Standard deviation, σ = 14 Sample size, n = 550 Z-Score, Z = ( X - μ…

Q: Amy rents a table at a fair, for which she is charged a $10 daily rental fee. She purchases apples…

A: Answer: 150 Apples The least number of apples she must sell is 150.

Q: 2- Two events A and B are such that P(A) = 0.5, P(B) = 0.3 and P(A|B) = 0.1. Then P(A|AUB) is O True…

A:

Q: That is a lot of passwords! How many passwords would the website have if users were allowed to reuse…

A:

Q: Nine percent of the population has blood type B. If we choose 18 people at random, what is the…

A: Given,n=18p=0.09q=1-0.09=0.91Let X= no.of people have blood type B in a sample of 18…

Q: [Q1] From the letters {A, B, C, D, E, F, G}, how many: (a) 3-distinct-letters co can be generated?…

A: Given: There are 7 letters A, B, C, D, E, F, G

Q: B: In a heath survey, in Iraq. Adults were asked to rate their health. The table below summarizes…

A:

Q: In a survey of women in a certain country (ages 20-29), the mean height was 66.4 inches with a…

A: Given that.   X~N( μ , ?^2 )   μ=66.4     , ?=2.91   Z-score =( x - μ )/?

Q: The monthly utility bills in a city are normally distributed, with mean of $100 and a standard…

A: Given,Mean(μ)=$100standard deviation(σ)=$12

Q: Match each P-value with the graph that displays its area without performing any calculations.…

A: Solution Given That, Match each P-value with the graph that displays its area without performing any…

Q: Find the minimum sample size n needed to estimate u for the given values of c, o, and E. c=0.98,…

A: Given,c=0.98 , σ=7.3 , E=2and Zc=Z0.98=2.3263     (from Z-table)

Q: ven below. X₁, X2, Xn (1)

A: Given: f(x)=(θ+1)xθ,0&lt;x&lt;10, otherwise

Q: Use the confidence interval to find the margin of error and the sample mean. (0.196,0.300) The…

A: Given confidence interval is (0.196  , 0.300)Upper limit(UL)=0.300Lower limit(LL)=0.196

Q: The annual salary for one particular occupation is normally distributed, with a mean of about…

A: Given: The sampling distribution of mean is =$126,000 Standard deviation = $18000 sample = 30

Q: According to a survey by a telecommunications company, the probability of a call not being connected…

A:

Q: The probability that Aiko can drive to work without having to stop at a red light is 0.125. The odds…

A: Given: The probability of not having to stop at a red light is: P(Not Stop) = 0.125

Q: Suppose that you have 7 green cards and 5 yellow cards. The cards are well shuffled. You randomly…

A: Given,no.of green cards=7no.of yellow cards=5Total no.of cards=12

Q: A result is significant at the 0.01 level. Explain why it must also be significant at the 0.05…

A: Note: Hi, thank you for the question. As per our company guideline we are supposed to answer only…

Q: Time spent on a computer is gamma distributed with a = 4 and B = 7. I. What is the probability that…

A: Given that: The time spent on a computer is gamma distributed with α=4 and β=7

Q: A box contains colored balls, each marked with a positive integer. Half of the balls are blue and…

A: The provided information is  Four dozen is 1-1/5=4/5 of the number of balls.  The total number of…

Q: Use the given statement to represent a claim. Write its complement and state which is Ho and which…

A: Given ,Claim: P&lt;0.69

Q: chloe's bookshelf has 6 books by Smith and 8 books by jones. if she removes 4 books at random, what…

A: Given data: Total books = 6 +8  = 14 She removes 4 books randomly To find: The probability of…

Q: let the pdf f(x) is even function then E(x) is?

A: We have to find out E(x) If probability density function f(x) is even If f(x) is even means f(x)…

Q: et it be the probability density function. [ f(x2= n-x 2(1-2). ax Let it be Y = e x=0,1,2, So E(Y)…

A: Solution

Q: Two fair dice are thrown. Find the probability that the sum is a perfect square. 1/6

A: ANS GIVEN  Two fair dice are thrown                    find probability  that the sum is a  perfect…

Q: Pandora, the owner of a food delivery app, knows from experience that the time needed to assemble a…

A:

Q: A binomial experiment is given. Decide whether you can use the normal distribution to approximate…

A: Givenp=0.86n=14

Q: 12- Let Mx,y (t₁, t₂) = e4t+t₁t₂+8t. Then var (Y) is (a) 13 (b) 7 (c) 16 (d) 9

A:

Q: B: A card is drawn from a well shuffled pack of 52 cards. Find the probability of: (i) '2' of…

A: GivenTotal no.of cards = 52

Q: solve the following

A:

Q: In a box containing 8 red balls, 8 green balls and 8 blue balls where 3 balls will be drawn in…

A: Here given,  In a box containing 8 red balls, 8 green balls and 8 blue balls where 3 balls will be…

Q: Find the critical value z necessary to form a confidence interval at the level of confidence shown…

A: GivenConfidnece level(c)=0.96

Q: 8- Mean, variance and third central moment of Poisson distribution are equal. O True False

A: