2% of the batteries produced by afactory are not satisfactory. In a sample of 12 batteries chosen at random, find the probability that: a) Exactly 3 batteries are not satisfactory. b) Less than 2 batteries are not satisfactory.

Q: The mean of the probability distribution below is 37.05, with a variance of 36.75 and standard devia...

A: We have given that Mean = 37.05 Variance = 36.75 Standard deviations =6.06

Q: 1. Using MAD as the criterion, which of the following models would you use for the given time series...

A: Question:

Q: If 8 different customers A, B, C, D, E, F, G, and H arrive for service at random order, what is the ...

A: Here Given total Number of customer=8

Q: 1. The probabilities that a market inspector will discover violations of the public health code in a...

A: As per our guidelines we are suppose to answer three sub parts. Required probability is P(X≥2)

Q: The table summarizes the number of public schools in two California counties in 2017. County Los Ang...

A: Given data is School Country   Los Angeles San Diego Total Elementary 1395 498 1893 Middle ...

Q: 7. A person buying a personal computer system is offered a choice of three models of the basic unit,...

A:

Q: Example 1. A random variable has the following probability distribution 8. Values of X 1 3 4. 7 P(x)...

A: As per bartleby guideline expert have to answer first three subpart only dear student please upload ...

Q: 11. A discrete random variable X has the following probability distribution 77 78 79 80 81 P(x = x) ...

A:

Q: Exercise 2: Let X,Y and Z be random variables such that Cov(X, Y) < +oo. Show that Cov(X +E(X),Y + E...

A: Given that, Let X, Y, and Z be random variables such that            Cov(X,Y)&lt;+∞ Here we have to ...

Q: 2. A normal distribution of scores has a mean of 120 and a standard deviation of 20.What score separ...

A:

Q: TRUE / FALSE) For two pdfs f(x) and g(x), f(x)g(x) is a pdf.

A: Solution

Q: Determine the cumulative distribution function for the random variable X with the probability mass f...

A: The probability mass function gives the probability at each possible value of a discrete random vari...

Q: Two marbles are drawn in succession from a box containing 10 red, 30 white, 20 blue and 15 oranges, ...

A: Probability is the chance they occurrence in the event. Combination is the possible arrangement of d...

Q: three

A: A person can choose either his/her own phone or can choose phone of other person. For each person th...

Q: 3 If 8 9. then what is the value of N? Type your answer.

A: 3. N = 36

Q: lesser than the blue balls and the rest are purple balls. If a ball is to be picked at random, find ...

A:

Q: A fair coin is flipped six times and the number of heads is counted. Calculate the probability that ...

A:

Q: Activity I. The following data show the probabilities for the number of inquiries received per day b...

A:

Q: Sketch the probability mass function of a binomial distribution with n = 10 and p = 0.01 and answer ...

A: Given that  Number of observation =10  Probability of success=0.01 We have to sktech the probability...

Q: An urn contains 7 white and 3 red balls. Two balls are drawn together at random from the urn. Find t...

A: GivenNo.of white balls = 7No.of red balls = 3Total no. of balls = 10Let "x" be the no.of white balls

Q: An urn contains 7 white and 3 red balls. Two balls are drawn together at random from the urn. Find t...

A: GivenAn urn contains No.of white balls = 7No.of red balls = 3Total no.of balls = 10

Q: An article in lnternational Journal of Electrical Power & Energy Systems Stochastic Optimal Load Flo...

A:

Q: Find the number of ways of arranging the letters of the word ORANGES if: a) the vowels O, A, E canno...

A: Here use concept of total arrangement 

Q: My car has a dead battery and I need some jumper cables. People stop to help me but I have to refuse...

A: Geometric distribution: The probability mass function of Geometric distribution is P(n) = p(1 - p)n ...

Q: Write the product in the form nPn: a) (11)(10)(9) =

A:

Q: A can solve 80% of the problems given in Statistics book, B can solve 60%. What is the probability t...

A: Solution is given. Hope the answer is helpful for you.

Q: A card is drawn from an ordinary deck. Match the following with their probab 10 2 3 10 10 10 A diamo...

A: Given that - n (s) = 52

Q: If a family has three children, find the probability that exactly one of the three children is a bod...

A:

Q: submitted the different requirements like ITR (Income Tax Return) of her parents and grade 10 report...

A: Given: Activity 2: Let Grade = X Subject Grade X Filipino 85 English 83 Mathematics 90 S...

Q: If 2% of electric bulbs manufactured by a certain company are defective. Find the probability that i...

A: Solution-: We find, (i) P(less than 2 bulbs are defective)=? (ii) P(more than 3 bulbs are defective)...

Q: be repeated? 24. Suppose you find seven articles related to your research paper. In how many ways ca...

A:

Q: Organisms are present in ballast water discharged from a ship according to a Poisson process with a ...

A:

Q: Three sets are defined as follows: A = {x: 0 ≤ x ≤ 4} B = {x: 0 ≤ x ≤ 3} C = {x: −1 ≤ x ≤ 2} Draw d...

A:

Q: DA hot dog vendor at Memorial Stadium sells hot dogs for $5 each. He buys them for $2 each. All the ...

A: Given: μ=100σ=5Buy = $2 eachSell = $5 eachSell (Evening) = $1

Q: Three cards are drawn from pack of 52 cards. Find the probability distribution of the number of aces...

A: Given,Total no.of cards=52no.of ace cards=4

Q: The probability that an individual randomly selected from a particular population has a certain dise...

A: Solution:

Q: The spinner is divided into equal sections. The arrow is spun one time. 3 3 9 9 9 What is the probab...

A:

Q: 3. Among the products of the first company, defective is 10%, the second - 20%, the third - 25%. We ...

A: Let B1, B2, ... , Bn be n mutually exclusive and exhaustive events with P(Bi) &gt; 0 for all i = 1, ...

Q: Find the sum of all four digit numbers that can be formed by the digits 1, 3, 5, 7, 9 without repeti...

A: Given: 5 numbers 1,3,5,7,9 then to find the sum of all four digit numbers that can be formed by the ...

Q: The output of a chemical process is continually monitored to ensure that the concentration remains w...

A: (i). Mean = Σx*C(x) = (1/3+2/3+3/3) = 6/3  = 2 mean, u= 2 Variance= E(X2)-u2 E(X2)= Σx2*C(x) = (1/3+...

Q: What is the probability that he will roll a number greater than 2

A: Given:  A six pair to dice rolled from  S={1,2,3,4,5,6}  then to find probability that number greate...

Q: In how ways can the letters in the word WISDOM be arranged such that the ending letter is a vowel?

A:

Q: Solve for neN using a product of factors not the ! function on the calculator. Show steps. 9! a) п 3...

A: We have to find out values of  n in both questions. Formula = Factorial (n)  =  n*(factorial (n-1)) ...

Q: Mr. James is the moderator of a school organization consisting of 12 people. Of those 12 people, 5 a...

A: Given information:- Mr. James is the moderator of a school organisation consisting of 12 people. Of ...

Q: For the discrete probability distribution. 3 4. 6. 7 k 2k 2k 3k 2k2 7k + k Find the variance.

A:

Q: If x be a normal variate with mean 3 and variance 16, find the value of t such that P(3 <Xs t) = 0.4...

A:

Q: ? = 60?2+39X Calculate the mean (expected value) of the random variable

A: Solution:

Q: Write each product in the form nPn: a) (6)(5)(4)(3)(2)(1) =

A:

Q: What does 35/100 in the first row of the table express? Is it P(Point guard and female)? P (Point gu...

A: Here given percentages of several men and women in the NBA and WNBA. Their positions are shown and e...

Q: 7. How many ways are there that in a class of 60 students, 2 students will not have the same birth d...

A: Here Given 60 Students  Now Assume that there is 365 Days in one year