Giving a test to a group of students, the grades and gender are summarized below Grades and Gender B с Male Female Total Calculator A 20 2 22 13 14 27 5 8 13 Total 38 24 62 If one student is chosen at random, find the probability that the student was female OR got an "B". Round your answer to 4 decimal places.

Q: Major League Baseball's World Series is a maximum of seven games, with the winner being the first…

A: Given Information: Consider the given probabilities of Atlanta winning each game Game Probability…

Q: a. What is the expected number of red balls you will get each time?

A: It is given that Number of red balls M = 3 Number of blue balls = 2 Total balls N = 5 Sample size n…

Q: A box contains four new, one used but still working, and two defective diodes. Five diodes are…

A: Solution: From the given information, a box contains four new, one used but still working and two…

Q: Miguel has a bag of marbles with 5 blue marbles, 3 white marbles, and 6 red marbles. Find the…

A: Solution: Given information: Blue marbles =5 white marbles = 3 red marbles= 6 Total = 5+3+6= 14…

Q: Let X be a Uniform (-10,10) random variable. a) The moment generating function of X is Mx(t) = A(eBt…

A: Given X~U(-10,10)

Q: Note: In this problem set, the notation C(n, k) is used for the combination "n choose k." Alternate…

A: Given 4 democratic candidates 4 republican candidates 2 independent candidates

Q: There are 5 people sitting at a round table. In how many ways can 5 people sit at a round table with…

A: Given that, there are 5 people sitting at a round table.

Q: how do you proof part a with a formal proof

A: Given a standard deck of 52 cards consists of 4 suites (hearts, diamonds, spades and clubs) each…

Q: population. What is the probability that the sample proportion of households spending more than $125…

A: given data, p=spend more than $125 a week on groceries.p=0.30n=283probability that the sample…

Q: Elephants are the mammals with the longest gestation period. One species of elephant has a mean…

A: Let X represents the gestation period. Given that, X~ N(635, 63)  μ= 635, σ= 63    Sample size is n=…

Q: You find yourself at a restaurant, that offers 9 choices of appetizers, 18 choices of main meals and…

A: given data  9 appetizers 18 main meals  12 deserts   select atleast one food items.  no. of ways to…

Q: 10. Given the normally distributed random variable X with mean 20 and standard deviation 2.5, find…

A: GivenMean(μ)=20standard deviation(σ)=2.5

Q: Each of the numbers 5 - 15 is written on a sheet of paper. The eleven sheets of paper are placed in…

A: It is given that the eleven numbers on sheets from 5 to 15 i.e, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14,…

Q: If one student is selected at random, find the probability that   d) the student is 7 - 12 years…

A: It is given that Total = 315 Number of students prefers taking ballet, n(ballet) = 100 Number of…

Q: This problem involves empirical probability. The table shows the breakdown of 98 thousand single…

A: Given data is   Army Navy Marine Corps Air force Total Male 25 28 8 12 73 Female 10 8 2 5 25…

Q: certain type of door lock has five buttons labelled 1, 2, 3, 4, 5.   It allows the owner to choose a…

A: A certain type of door lock has five buttons labelled 1, 2, 3, 4, 5. Each code is a 4-digit code,…

Q: 2. Consider Rolling a Fair six sided Dice with sides of 2, 3, 3, 4, 4, 5 (so replace the 1 & 6 with…

A: Given the experiment of rolling a fair six sided dice with sides of 2, 3, 3, 4, 4, 5.

Q: Evaluate. 5!2! 3!6!

A: we know that ,r!=r(r-1)(r-2).......×2×1

Q: Find the value of k that makes the function f (x, y) =15e-2x-3y a joint probability density function…

A: As per our guidelines I can solve only first three subparts. Kindly post the remaining subpart again…

Q: Determine whether the given events A and B are independent. P(A) = .5, P(B) = .4, and P(AB) = .8. O…

A: Solution

Q: (b) The approximate probability that the average test score exceeds 65 in the class of size 36 is…

A:

Q: P(x) 0 0.3 1 0.15 2 0.05 3 0.5 Find the mean of this probability distribution. Round your answer to…

A: According to the given information in this question There are more than one question according to…

Q: What are the odds in favor of randomly drawing the letter s from the letters in the word…

A: Given word is "Mississippi"Total no.of letters in the word=11No.of "s" in the word=4

Q: Page 263, 4.4.8.* Let Y₁ < Y₂ < Y3 < Y4 < Y5 denote the order statistics of a random sample of size…

A:

Q: In a 20 question, true-false test, what is the probability of getting exactly 16 answers correct by…

A: Given information: There are 20 true-false test questions. There are two outcomes for each question:…

Q: group able. Assume that the two samples are independent simple random samples μ d from normally…

A: Given Significance level =0.05

Q: A bank vice president feels that each savings account customer h The following distribution…

A: It is given that the distribution represents the number of credit cards people own.

Q: The probability that a part produced by a certain factory's assembly line will be defective is…

A: Given P=0.016 n=49

Q: d) What is the probability that X is greater than its expected value? e) What is the probability…

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

Q: When can two independent events D and E only be disjoint

A: Given that When can two independent events D and E only be disjoint

Q: Business Weekly conducted a survey of graduates from 30 top MBA programs. Un the basis of the…

A: GivenMean(μ)=174000standard deviation(σ)=43000

Q: Two cards are drawn in succession without replacement from a standard deck of 52 cards. What is the…

A: Given that Total cards = 52

Q: Note: In this problem set, the notation C(n, k) is used for the combination "n choose k." Alternate…

A: Given information: Regular hexagon has six equal sides.

Q: Suppose you perform a (frequency) statistical hypothesis test at a = 0.05and obtain a p value of p =…

A: In testing of hypothesis, there are always two hypotheses - null and alternative. By using the…

Q: Each of the numbers 1 - 15 is written on a different balloon. The fifteen balloons are then blown up…

A: Given  Number 1,2,3,4,5,6,7,8,9,10,11,12,13,14,15

Q: Note: In this problem set, the notation C(n, k) is used for the combination "n choose k." Alternate…

A: As we are well aware that when order matters then permutations used while when order does not matter…

Q: 7.) Several years ago, the US began running out of telephone numbers. Telephone companies introduced…

A: "Since you have posted a question with multiple subparts, we will solve first 3 sub-parts for you.…

Q: A large insurance company maintains a central computing system that contains a variety of…

A: here i gives answer of (c) and (d) from given data : λ=33 , μ=22

Q: The number of hours spent on social media per week by teens is normally distributed with a mean of…

A: Since you have posted a question with multiple sub parts, we will provide the solution only to the…

Q: (d) If the blouses are not hung all together, how many arrangements are possible? (e) If Barbara…

A: From given data we have : Total 23 shirts

Q: Please note (a) and (b) are not related. (a) Let X has probability function p(x)=e-² where x =…

A: Note: Hey, since multiple questions are posted, we will answer first question according to our…

Q: 13.) A biologist is attempting to classify 52,000 species of insects by assigning a sequence of 3…

A: Given: A biologist have to classify 52000 species

Q: h. Are the events "King" and "Diamond" independent? V

A: We know that There are 52 cards in the deck divided into two colour i.e red(26) and black (26).…

Q: Suppose that X is a N(3,4) random variable and suppose that Y=5X+2. Determine P(Y>18.5).

A: Linear combination of Normal random variables is also follows Normal.

Q: For the rest of the problems in this section, decide whether to use permutations or combinations.…

A: Given: Number of yellow marbles=3 Number of white marbles=4 Number of blue marbles=9 Total number of…

Q: A pitcher of juice holds 6 cups. How many (2)/(3)-cup servings of juice are in the pitcher?

A: We have given that A pitcher of juice holds 6 cups We have to find how many (2/3) -cup servings of…

Q: Problem 3 i.e. Let W, be a negative-binomial variable with parameter p € (0,1), -{-Dea [p' (1-p-r…

A: We have Wr negative binomial random variable with parameter r and p and PMF given by…

Q: A swordfish swims at a constant rate. The table shows the proportional relationship between the time…

A:

Q: possible to get the following results: (a) 4 queens (b) No face card (c) Exactly 2 face cards

A: by bartleby policy i can gives only 3 subparts at a time  Total cards = 52 to be chosen = 5 and…

Q: A box contains resistors, where 8% of the resistors are deficient because their resistance values…

A: event A : deficient resistor event B : after testing operator says deficient resistor   P(A) = 0.08…