Giving a test to a group of students, the grades and gender are summarized below A B C Total Male 5 17 2 24 Female 12 13 19 44 Total 17 30 21 68 If one student is chosen at random, Find the probability that the student was male OR got an "C".

Q: A food store advertises that their checkout waiting times is four minutes or less. An angry customer…

A: Method: Using t test statistic to find the value of test statistic and p value

Q: On be it says favorable outcomes but it not a number ..

A: Here Single fair four sided die is rolled

Q: 2) Simplify the algebraic expression (there is no solving here). 2(x + 12) - x - (3x + 16) + 5

A: It is given that  The algebraic expression is 2(x + 12) - x - (3x + 16) + 5

Q: You are dealt one card from a standard​ 52-card deck. Find the probability of being dealt a face…

A: It is given that dealt one card from a standard​ 52-card deck.

Q: 2. Suppose that we have three cards identical in form except that both sides of the first card are…

A: Let us define some events  A : card with both sides red is selected. B : card with both sides black…

Q: Suppose that a particular surveillance system has a 99.9% chance of correctly identifying someone…

A: Given Information: A surveillance system has a 99.9% chance of correctly identifying someone who is…

Q: It is the beginning of September and you have been offered the following deal to go heli-skiing. If…

A: From given data we have : Probability = 30% Cost of vacation = $4600 Cost of capital = 11% per year…

Q: Match the following steps in hypothesis testing. - ✓ Step 1 -Step 2 Step 3 Step 4 -✓ Step 5 Step 6…

A: Step 1: Set up the hypothesis and check conditions. Step 2 : Decide on the level of significance.…

Q: Problem 1 Let X - N(u,0²) be a normally distributed random variable, and let c #0 be a constant.…

A:

Q: Suppose a linear probability model you have developed finds there are two factors influencing the…

A: Given Profit margin 7% Debt ratio 52%

Q: 5. Let X be the random variable with moments given by if r is odd; { (2021) if r is even. Compute…

A: 5. The moments of the random variable X are given by E(Xr)=0if r is odd(2021)rif r is even

Q: A new test for onuriangiema has a 0.78 probability of positive given a sick patient and a 0.75…

A: event A : sick ebvent A' : not sickevent B : test positiveevent B' : test negativeP(A) = 0.34…

Q: Suppose that the January 2020 workload for a laboratory was Hematology: 8700 tests Clinical…

A: Given data: Type of test Number of tests Hematology 8700 Clinical chemistry 10350…

Q: (a) The friendly instructor went to visit the casino to play with a biased coin, where the head…

A: Solution: From the given information, the probability of head is p=1/5=0.2.

Q: The flow of goods through a certain machine in a factory can be modeled as a Poisson Random Process.…

A: Given: The flow of goods through a certain machine in a factory can be modelled as a Poisson Random…

Q: A marketing company specializes in providing assessments of prospects for sport shops in strip…

A: Given data is    Good Fair Poor profit 96 36 4 no profit 24 24 16

Q: A committee of 5 students is to be selected from 10 students in a fraternity. a. In how many ways…

A: Given A committee of 5 students is to be selected from 10 students in a fraternity.

Q: Problem 10-21 (Algo) A process that produces computer chips has a mean of .04 defective chips and a…

A: Given that USL = 0.041 LSL = 0.039 Mean = 0.04 St . Deviation = 0.003 a) Cpk = min((USL- mean )/ st…

Q: Blood pressure: High blood pressure has been identified as a risk factor for heart attacks and…

A: Given P=0.20 n=40

Q: (01.02 MC) A survey was taken of students in math classes to find out how many hours per day…

A:

Q: Messages arrive at an electronic message center at random times, with an average of 8 messages per…

A: Let X be random variable from Poisson distribution with average (λ= 8) i.e,  X~ Poisson (λ= 8)

Q: A raffle offers a first prize of $1000, 2 second prizes of $300, and 20 third prizes of $10 each. If…

A: given data, first prize :p(first prize)=115000p(secound prize)=215000p( third prize)=2015000p(no…

Q: The table shows claims and their probabilities for an insurance company. Amount of claim ​(to the…

A: To find: a. Calculate the expected value? b. How much should the company charge as an average…

Q: Based on an analysis of sample data, an article proposed the pdf f(x) = 0.65e-0.65(x - 1) when x ≥ 1…

A: Given that The pdf of X  f(x)=0.65e-0.65(x-1).         x≥1 Then we have to find a..P(X≤7)…

Q: A shipment contains 14 igneous, 12 sedimentary, and 12 metamorphic rocks. If 8 rocks are selected at…

A: Given  38 rock=14(Igneous)+12(sedimentary)+12(metamorphic) n=8

Q: 2. a. Provide two dependent events. b. Explain how you know these events are dependent. c. Explain…

A: The phenomenon or circumstances of one event depending on another event is known as dependent…

Q: 7.25. Let X₁, X2, ... be a sequence of independent and identically distributed continuous random…

A:

Q: 4. The random variables X and Y have a joint density function given by 2e-2x Compute COV(X,Y). f(x,…

A:

Q: Which of the following represents the portion of the given venn diagram that is labelled as Brown?…

A: Solution-: We want to find the portion of the given venn diagram that is labelled as Brown?

Q: An ice chest contains 5 cans of apple juice, 4 cans of grape juice, 4 cans of orange juice and 6…

A: given data,5- cans of apple juice 4- cans of grape juice4- cans of orange juice 6- cans of mango…

Q: Question You can actually improve model fit by removing (a) predictor(s) in multiple regression.…

A: Multiple regression model consist of one dependent variable and more than one independent variable.…

Q: In a drawer, there are 13 pairs of socks, 10 of which are white, and 8 t-shirts, 5 of which are…

A: Here in a drawer there are 13 pairs of shock from which 10 are white. 8 t-shirts from which 5 are…

Q: From a deck of 52 ordinary playing cards, one card is drawn. (Enter your probabilities as f (a) Find…

A: We have given that,  A deck contains 52 ordinary playing cards,  Where,  Total number Spade cards =…

Q: A B C Total What is P (B or Z)? Round to 4 decimal places. X 29 69 12 110 100 98 24 222 N 139 88 148…

A:

Q: Data were collected on the distance a frisbee will travel when thrown at a certain speed. The speed,…

A: Given: y = 3.17 + 52.35s  Intercept = 3.17  Slope = 52.35

Q: The proper estimate of variance explained in multiple regression is   Question 13 options:   R2…

A: The study is about the 'proper estimate of variance explained in multiple regression'.

Q: A radio station runs a promotion at an auto show with a money box with 11 $100 tickets, 10 $50…

A:

Q: Persons having Raynaud's syndrome are apt to suffer a sudden impairment of blood circulation in…

A: Given information: x¯1=0.63, σ1=0.10, m=8x¯2=2.08, σ2=0.50, n=8

Q: A variable x is normally distributed with mean 21 and standard deviation 5. Round your answers to…

A: As per our guidelines, we are supposed to answer only first three parts. Please mention part(d) and…

Q: An ordinary deck of cards contains 52 cards divided into four suits. The red suits are diamonds (+)…

A: It is given that there are totally 52 cards in an ordinary deck.

Q: Suppose that a random variable X has the following moment generating function, Mx (t) = (1-9t)−7, t<…

A:

Q: An experiment consists of two independent trials. The outcomes of the first trial are A, B, and C,…

A: "Since you have posted a question with multiple sub -parts,we will solve first three sub parts for…

Q: There are 79 people protesting the destruction of the rain forests. There are 31 ​males, 24 of whom…

A: Here we have given the information, There are 79 people protesting the destruction of the rain…

Q: A certain Graduate School shows that 28% of master's students ages 30 and older have completed their…

A: Solution-: Given: n=15, p=0.28 We want to find  (a) P(4 will completed their respective 2 year…

Q: Question 3 Among employees of a certain firm, 61% know Java, 58% know Python, and 47% know both…

A: Question 3 Consider the events, J : Employees know java P : Employees know python  From the given…

Q: The probability of a successful SSD read-write during shock tests of an SSD storage product is 0.8.…

A: Let X denotes the number of trials required to get the first successful SSD during shock tests.  The…

Q: The mean water temperature downstream from a power plant cooling tower discharge pipe should be no…

A:

Q: In a sample of n = 18 lichen specimens, the researchers found the mean and standard deviation of the…

A: We have given that Sample size (n) = 18Sample mean (x̅) = 0.009Standard deviations (s) = 0.006