15. About 64% of the applicants pass the admission test every year. Approximately how many of the 250 applicants are expected to pass the admission test this year? O 150 O 160

Q: Q2/suppose there were six kinds of toppings that one could order for a pizza. How many combinations…

A:

Q: 5. M = 3, O² = 9₁ P(- 6 1. - 1 1/2 ² 2

A: Given mean and variance, we have to determine the indicated probability using the given formula.

Q: The probability that a component is acceptable is 0.93. Ten components are picked at random. What is…

A: Given The probability that a component is acceptable(p)=0.93sample size(n)=10Let "x" be the no.of…

Q: The random variables A and B have variances 0.2 and 0.5 respectively. Let T= 5A+2B. The variance of…

A: Here given  Var(A) = 0.2 Var(B) = 0.5 T = 5 A + 2B

Q: 55 Prove that the functio: probability density F Given f(x)= 2(1-x) and (0<x< ضافة ملف

A: Solution

Q: A variable that can assume any value between two given points is called Continuous random variable…

A: Variable A variable may be defined as a quantity, characteristic, or number that can be measured. It…

Q: Q6/ Find the probabilities that a random variable having the standard normal distribution will take…

A: For a  standard normal distribution, Mean = 0 and standard deviation = 1

Q: If someone owns an electric car it is represented by a one  and if they don’t it is represented by a…

A: Given:   Number of cars (y) Salary (x) xy y^2 x^2   0 80000 0 0 6400000000   0 17000 0 0…

Q: 2. A vaccine is found to be 85% effective in preventing a certain disease. The vaccine is given to…

A: Let p be the proportion of effective in preventing a certain disease n=number of people to given…

Q: Is the given statement true or false? False O a. b. True "Cr= "Cn-r

A: Solution-: Is the given statement true or false? nr=nn-r

Q: In a Survey, 85% of the people interviewed were unaware that maintaining a healthy weight could…

A: Givenp=0.85n=20Let "x" be the no.of people are unware that maintaining a healthy weightcould reduce…

Q: selected at random, find the probability that he/she owns a credit card, given that the employee is…

A: own CC No CC Total  Teaching  25 35 60 Non teaching 29 11 40 Total 54  46 100

Q: Two "random" quarter-circles is generated as follows. First one randomly, uniformly choose a cutoff…

A:

Q: (a) Consider the 48-ball lottery game described above. In how many different ways can you select a…

A: Fundamental Principle of Counting In basic counting, the product guideline is the most important…

Q: Two cards will be drawn one after the other from a standard deck of card. Event A represent a heart…

A: Given that two cards will be drawn one after the other from a standard deck of card. Event A…

Q: A continous random variable x has p.d.f.,then a. f(x) >=1 b. f(x) >==0 O C. 0=;0

A: In above question we will talk about it is true or not for probability density function(pdf)

Q: 8. Circuit boards are made by machines A, B, C and D. Machine A makes 15% of the components, machine…

A:

Q: What is the expected number of reds?

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

Q: ntinuous random variable has the density function x + 1 1<x<5 f(x)=160 0, elsewhere. Find the…

A: solution

Q: Car manufacturers produced a variety of classic cars that continue to increase in value. Suppose the…

A: Given Information: Consider the given dataset: Model Rating (x) Price (y) A 18 1600 B 17 450…

Q: Q4/ The average on a statistics test was 78 with a standard deviation of 8. If the test scores are…

A:

Q: In an experiment where 2 balls are drawn successively at random without replacement from a box…

A: 7 ball=2(red)+3(green)+2(blue) balls  nCr=n!/(r!(n-r)!) r!=r(r-1)...3x2x1

Q: Q3/ The probability that a consumer will rate a new antipollution device for cars What are the…

A: Given: P(Very Poor) = 0.07 P(Poor) = 0.12 P(Fair) = 0.17 P(Good) = 0.21 P(Very Good) = 0.32…

Q: 20. Judgmental sampling is a form of convenience sampling in which the population elements are…

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

Q: 10 10 (96), (9)(3) + 18 18 (3⁹) (15) 3 = 0.215686 ans

A: Given that

Q: The probability is .21 that Disney World will raise ticket prices next year.  The probability is .43…

A: GivenThe probability that Disney world will raise ticket prices next year=0.21The probability that…

Q: Q4/ The average on a statistics test was 78 with a standard deviation of 8. If the test scores are…

A:

Q: An un contains cards numbered 1.2 ... 100 . Let X be the least number on the 50 cards drawn randomly…

A:

Q: If X is a Binomial random variable with parameter (n, p), where 0< p <1, then as k goes from 0 ton,…

A: Given that,

Q: 6 cards are drawn at random from a standard deck. Find the probability that all the cards are…

A: Given data: Total card in standard deck of card = 52

Q: In how many ways can we select 6 people out of 12, ?of which a particular person is not included…

A: According to the given information, we have Total number of persons = 12

Q: What is the probability that he will pass the exam, if the passing rate is 60%.

A: here given ,  exam is multiple choices , each question have 4 choices  p = probability of correct…

Q: 2. For an exam given to a class, the students' scores ranged from 35 to 98, with a mean of 74. Which…

A: Given:For an exam given to a class the students scores ranged from 35 to 98 with a mean of 74

Q: For the given probability distribution, X f(x,y) 1 2 5 0.25 0.2 y 10 0.2 0.15 15 0.15 0.05 Determine…

A:

Q: The probability that data are entered incorrectly into a field in a database is 0.008. A data entry…

A:

Q: no 6 is the question at the lowest part,i know how to solve no 5,can u help to solve no 6?

A: 1

Q: The number of kilograms of bananas sold by a certain fruit vendor over a year follows a Poisson…

A: GivenAn average 52 kg of bananas per day λ=52

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

A: Answer:- In a box containing 8 red balls, 8 green balls and 8 blue balls where 3 balls will be drawn…

Q: X-U(-1,1), then Y=3X-1 #1 ~ ES5+8= $24

A: Solution- Given that X~U(-1 , 1) Then Y=3X-1~ ?

Q: Suppose X has a normal distribtution N(2,1), then E(X)= Var(X)=

A: Let  X has a normal distribution X~N(µ=2, σ2=1)Then the value of Mean =E(X)=µ=2Variance=Var(X)=σ2=1…

Q: he lengths of pregnancies are normally distributed with a mean of 271 days and a standard deviation…

A:

Q: A random variable X has unknown mean and variance o² = 25. To determine the mean u, one may…

A: Given : Population variance=25 E=0.01 Significance level =95%

Q: The probability a chip is manufactured to an acceptable standard is 0.87. A sample of six chips is…

A: Given data: P = 0.87 n = 6

Q: Using a well shuffled 52 deck of cards: What is the probability of drawing (in this specific order)…

A: From the provided information, Total cards = 52 Total King = 4 Total Queen = 4

Q: A teacher wants to determine which factors can significantly predict academic performance in…

A: Regression Analysis: A regression is helpful in forecasting a factor using one or more factors. For…

Q: Is the given statement true or false? nC₁= "Cn-r O a. False b. True O

A: Given: nCr = nCn-r

Q: What are the probabilities that it will rate the device (a) very poor, poor, fair, or good; (b)…

A: The Total probability = 1 Rate Probability Very Poor 0.07 Poor 0.12 Fair  0.17 Good 0.32…

Q: probability that the committee is made up of only students of the same sex?

A: In a class there are 10 girls and 8 boys, a committee is formed with a president, a secretary and a…

Q: s the given statement true or false? nC₁= "Cn-r

A: Here For Combination  nCr= n!r! (n-r)!

Q: What is the probability that I pulled out the 6 sided die?

A: here given ,  I have a bag with 3 fair dice. One is 4 sided, one is 6 sided, and one is 12 sided. I…