In a class of 40 students, 18 are male and 22 are female. Two-thirds of the male students and one-half of the female students passed the final exam. Find the probability that one student chosen at random passed the exam or is a male. 23/40 5/8 O 31/40 O 29/40

Q: a box contains five red, three blue and two white poker chips. two are selected without replacement.…

A:

Q: 6. Let X be a normal random variable with mean 12 and variance 4. Find the value of c such that P(X…

A: As per bartleby guideline expert have to answer first question only dear student please upload other…

Q: Which of the following predictions can be calculated using a geometric distribution? O a) the number…

A:

Q: A survey indicated that 12% of residents of a country have a great deal of confidence in banks and…

A: Solution

Q: A four-bit code word is any sequence of four digits, where each digit is either a 0 or a 1. For…

A: We have given that A four bit code word is any sequence of four digits where each digit is either 0…

Q: what is 1/2x+36=1/4x+72

A:

Q: 2) A bag contains four red tiles, three blue tiles, 9 green tiles and three white tiles. How many…

A:

Q: If X has hazard rate function Ax(t), compute the hazard rate function of aX where a is a positive…

A: 8) We know that if F(x) is the cumulative distribution function of random variable X  Than…

Q: You may need to use the appropriate appendix table or technology to answer this question. If you…

A: Given thatn = 100 p = 1/6 X ~Binomial(n, p)  X ~ Binomial (100, 1/6)

Q: Explain the importance of direct and indirect standardised death rates.

A:

Q: A card is drawn from a deck of 52 playing cards. a) Find the odds against drawing a red card or a…

A:

Q: 1. Complete the table Po P- n value a. 100 40/100 8% b. 248 51/248 10% C. 312 100/31 12% 2 d. 486…

A:

Q: (a) Calculate the sampling error at 95% confidence level   (b) Construct a 95% confidence interval…

A: Given that  Sample size n =25 Sample mean =53 Population standard deviation =5.5 NOTE:- According to…

Q: Let X ~ Poisson(a). Show that E[X(X-1) (X-2)… (X-k)]= ak+1 ...

A: Chance of occurrence of an event in short time interval is very small. The number of occurrences of…

Q: 1. E(x) = 46 and Var(x) = 462 %3D %3D True False 2. ž~N (48, ) 4B2 4B, 25 O True False

A: We have given that the x̄ denote the mean of random sample of size 25 from a gamma type distribution…

Q: A psychic calls everyone an a list of 275 sports bettors with tips about who will win the…

A:

Q: ppose X and Y are independent random variables. X is uniformly stributed on (0, ;) and Y is…

A:

Q: Bob has an urn which contains a black balls and b green balls. Bob picks one ball at a time, without…

A:

Q: 39. A card is drawn random from a standard deck of cards. Find the probability of drawing an ace. a.…

A:

Q: What type of Index numbers are usually calculated ?

A:

Q: The following s alternatives are being valuated by the incremental BC analyss BC Do- Nothing O So…

A:

Q: O The random variable X has a binomial distribution B(11, p). If P(X = 8) = P(X = 7) find the value…

A: Note: If the post contains multiple questions only allow to first question as per guidelines of…

Q: What is the expected value of this game to you? Should you expect to win (or lose) an amount equal…

A: Here Given for the game of rolling two fair dice And  It is given that Odds against two Even Numbers…

Q: 4. A red die and a blue die are thrown. Both dice are loaded (that is, not all sides are equally…

A:

Q: Q2) Based on her past experience, a professor knows that the probability distribution for X = number…

A: As per company guidelines I solved exactly three subparts of the question.thank you

Q: 3. Let the random variable Y have the p.d.f. g(y) = cy , –1< y <1, zero elsewhere. (i) Determine the…

A: A continuous function f(x) is said to be the probability density function of the continuous random…

Q: Q. 7 How do you construct of cost of living index number.

A:

Q: What type of Index numbers are usually calculated ?

A:

Q: 1. Compute E[X] and Var(X) if X has a density function given by Gxe-x/2 x > 0 (0, otherwise a. f(x)…

A:

Q: Suppose that the life distribution of an item has the hazard rate function 1(t) = t³,t > 0. What is…

A:

Q: Probability

A: Solution

Q: Determine the probability that the following tree reflecting demand for a product, given an expense…

A:

Q: Q. Fit a Poisson distribution to the following data by Recurrence Relation Method. x: 0 3 4 5 6 7…

A:

Q: 3. A biomechanics researcher wanted to test whether good, average, and poor sprinters differed in…

A:

Q: Every day you buy a lottery ticket for $1 and there is a prize draw every day. The probability that…

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

Q: Question 3 B0/1 pt If n=360 and p (p-hat) =0.48, find the margin of error at a 95% confidence level…

A: Given data,n=360p=0.48z-vaue at 95% CI is Zc=1.96Margin of error E=?

Q: Write A. Permutation B. Combination a. _Forming a committee of 4 from 10 рeople. b. Five people…

A: We have given that the statements about to the permutation and combination. Here, need to find out…

Q: A recent survey found that 62% of college students attend more than one institution during their…

A: Let the R.V X denotes the number of students attend more than one institution and it follows the…

Q: 3.) In a particular epidemic disease, 400 individuals were surveyed by a well-established…

A:

Q: An educational psychologist is studying the differences in Mathematics achieve￾ment scores based…

A: Given Information: Consider the given data: Test A Test B 81 93 100 73 88 83 85 98 84…

Q: A coin is tossed 5 times. Find the probability that exactly 3 are heads. The probability that…

A: Given information- We have given that a coin is tossed 5 times. We know that- Probability of getting…

Q: According to a report done by SAJ Power, the mean lifetime of the light bulbs it manufactures is 45…

A:

Q: 13. choose the correct amswer from the atuen four OPtions in each of them: 1. In aGollege, 30 1…

A: Using conditional probability rule.

Q: reen plates, 7 white plates ans 9 blue plates. In how many ways can a person make a selection of…

A:

Q: Problem 4. Which of the following pairs of sets are equal? Justify your answer. () A = {x : x is a…

A:

Q: In a shipment of 25 parts a company accidentally included 7 defective parts. If an inspector…

A: Given that : Population size ( N) = 25 Defective perts (y) = 7 Probability of defective parts ( P) =…

Q: According to a report done by 5 &J Power, the mean lifetime of the light bulbs it manufactures is 45…

A:

Q: Consider the pdf shown. Determine (a) the constant b in terms of a. (b) P(X>a). (c) P(a <X < 3a).…

A: As per bartleby guidelines we can solve only first three subparts and rest can be reposted

Q: 12. Find the moment generating function of the random variable X, having p.d.f. x, for 0<x<1 f (x)…

A:

Q: 6. A multiple choice test has 4 possible answers for each question a. If you guess an answer for a…

A: