Giving a test to a group of students, the grades and gender are summarized below A B C Total Male 5 16 2 23 Female 10 11 17 38 Total 15 27 19 61 If one student is chosen at random, Find the probability that the student was male OR got an "B".

Q: A twelve sided die with sides labeled 1 through 12 will be rolled once. Each number is equally…

A: Answer: From the given data, A twelve sided die with  sides labeled 1 through 12 will be rolled…

Q: 2. Let X and Y be independent random variables with common distribution function F and density…

A:

Q: For standard normal distribution find area to the right of 1.5

A: P(Z>1.5)=?

Q: A large airline company called Fusion Fly monitors customer satisfaction by asking customers to rate…

A: Ans#- Given a population mean μ = 4.29, and a population standard deviation(σ) = 1.15           The…

Q: The state of Colorado has studied a large population of pregnant women applying for maternity leave.…

A: GIVEN DATA μ = 2.33σ = 0.44n = 6find sampling distribution

Q: Bertrand's paradox extended. A chord of the unit circle is picked at random. What is the probability…

A:

Q: Suppose that the heights of adult men in the United States are normally distributed with a mean of…

A: given data μ = 70.5 inchesσ = 3 inchesnormal distributionP(x>6feet) =  ?

Q: Provide an appropriate response. 16) Consider the discrete probability distribution to the right…

A: given that the discrete probability function

Q: Every cereal box has a gift inside, but you cannot tell from the outside what the gift is. The store…

A: Given that:  Total boxes = 59 Secret decoder ring = 19

Q: A science class has 3 girls and 9 boys in seventh grade and 5 girls and 3 boys in eighth grade. The…

A: Given In seventh grade=3 girls,9 boys In eighth grade=5 girls,3 boys

Q: The lifetime of a certain type of battery is normally distributed with mean value 15 hours and…

A: μ = 15 hoursσ = 1 hoursn = 9 P(∑x>a) = 0.05a = ?

Q: Find the percentage of the area under the standard normal curve to the left of z = −1.16. b) Find…

A: It is given that the standard normal random variable Z in each case. Here, need to find out the area…

Q: ble, then enter the rule that is applied to each ro Input 300 400 500 600 Output 2700 3600 4500 5400…

A: given data  input output 300 2700 400 3600 500 4500 600 5400 200 1800

Q: Let X1, X2,..., Xn be independent exponential variables, parameter λ. Show by induction that S = X₁…

A:

Q: A coin is tossed n times, and heads turns up with probability pon each toss. Assuming the usual…

A:

Q: A normal distribution has a mean of 183 and a standard deviation of 9.4. Find the probabil that a…

A: Given that Population mean =183  Standard deviation =9.4 We have to find a...P(185≤X≤190)…

Q: A card is drawn and then put back into the deck and reshuffled. Then a next card is drawn. What is…

A: Given: A card is drawn and then put back into the deck and reshuffled. Then a next card is drawn. We…

Q: Find area to the right of z= 2.53

A: Find  P(Z>2.53)=?

Q: Finding the probability of a range looks kinda tricky. How do I do it? Type your Answer DO

A: introduction From the above question we have to Finding the probability of a range looks kinda…

Q: table at a fair is testing out a new game that works as follows: the player rolls two six-sided…

A: Given for first roll probability of 6 = 1/6 and on second die it is also  1/6

Q: In any day the bakery can only produce 6 of these specialty cakes.  The bakery must decide on a…

A: Given is a question based on inequality.

Q: The number of rainy days per year of a certain city is normally distributed with a mean of 92 days…

A: from given data we have : the number of rainy days per year of a certain city is normally…

Q: Q3. A project manager must select four analysts from her group to write four different software…

A: From given  There are 8 Junior and 8 senior analysts. so there are total 16 analysts.

Q: QUESTION 5 An economist is studying the median yearly income of workers by their ages. 18 48 58 28…

A: To identify the mode type we create scatter plot. We represent age on x axis and Median income on Y…

Q: 2. Let X and Y be independent random variables with common distribution function F and density…

A: Here X and Y variables are considered as random variables which have a common distribution function…

Q: Find X2 (the probability distribution of the system after two observations) for the distribution…

A: The X2 can be find using the relation, Xn = Tn.X0 Where,  T = transition matrix. Now, for X2 we…

Q: 12. (6p) A nurse at a local hospital is interested in estimating the birth weight of infants. What…

A: Given that Sample size=? Population standard deviation=5 Margin of error =2 We have to find sample…

Q: 30. Motor cars of unit length park randomly in a street in such a way that the centre of each car,…

A:

Q: Let X and Y be independent exponential random variables with parameter 1. Find the cumulative…

A: Given that X and Y are independent and follow exponential distribution with parameter 1. It means…

Q: The random variables X,Y have variance Var(X)=36 and Var(Y)=1 and their correlation is Cor(X,Y)=−34.…

A: Formula used Var ( X+Y) = Var(X)+Var(Y)+2Cov(X,Y)

Q: spinner can and on either red or blue.

A: There are two possible outcomes. Red and blue.

Q: The service time for a passport application in a certain government office is modelled as an…

A:

Q: A store is selling 5 types of hard candies: cherry, strawberry, orange, lemon and pineapple. How…

A: Given that 5 types hard candies  Cherry, Strawberry, Orange, Lemon, Pineapple We have to find number…

Q: Find area left to z= 2.35

A: Followings are the Explanation of the question Let Z be the Standard Normal Variable follows the…

Q: A bag of M&M's has 3 red, 2 green, 4 blue, and 6 yellow M&M's. Suppose you randomly select two M&M's…

A: Solution: Given information: red =3 green= 2 blue= 4 yellow =6 Total = 3+2+4+6= 15

Q: Bob is in love with Alice, but sadly, Alice has no interest in Bob. Every time Bob tries to approach…

A: Negative correlation: when ine variable is increasing and other is decreasing simultaneously or vice…

Q: Test the hypothesis that the average content of containers of a particular lubricant is 10 L if the…

A: given that average content of containers of a particular lubricant is 10L

Q: At a whiteware production facility, fridges which have been damaged are scrapped (costing $250) as…

A: Given Information: Fridges which have been damaged are scrapped (costing $250) as it is too…

Q: How many different permutations are there of the letters in the word «book» ?  In how many…

A:

Q: Health care workers who use latex gloves with glove powder on a daily basis are particularly…

A: Givensample size(n)=45Mean(x)=19.5standard deviation(s)=12.1

Q: 4) If each digit can be used only once how many four-digit numbers can be formed from the digits…

A: We have given the following  numbers 0,3,2,5,4,6,8

Q: cords show that arrival requests to a certain server occurr at the rate of 3 per minute. In one…

A: Given, Records show that arrival requests to a certain server occur at the rate of 3 per minute. In…

Q: A symmetric random walk in two dimensions is defined to be a sequence of points {(Xn, Yn): n≥ 0}…

A:

Q: Table 4.26 shows the frequency distribution for the weight of 52 female workers in a factory.…

A: we use excel to find ogive graph

Q: What is the null hypothesis? What is the alternate hypothesis? What is a type I error? What is a…

A: The null and alternative hypothesis  A hypothesis of no difference is called null hypothesis and any…

Q: Problem #8: The backoff torque required to remove bolts in a steel plate is rated as high, moderate,…

A: Multinomial distribution is the generalization form of binomial distribution. In which each event…

Q: Use the given table to find the probability of the indicated event. Round your answer to the nearest…

A: Given that  There are total 230 students We have to calculate probability of randomly selected…

Q: Compute the t statistic value for the hypothesis the slope is equal to 1.0    Round to two decimal…

A: Given that the estimate of slope is 0.74703, and standard error is 0.03831.

Q: Arc sine law for maxima. Consider a symmetric random walk S starting from the origin, and let Mn =…

A:

Q: home insurance. Its basic policy costs $ 1200 for a year and it pays out $100,000 in case of fire…

A: Given  Basic policy costs $ 1200 for a year it pays out $100,000 in case of fire damage to a home.…