A safe lock is formed of 2 different letters followed by 4 different digits. How many passwords can be formed using the letters 8, M, E and the digits 1, 9, 8, 4" 576 О 36 None of other options O 144

Q: In a deck of Uno cards, there are 76 number cards, 24 action cards, and 8 wild cards. If you select ...

A: It is given that Number of number cards = 76 Number of action cards = 24 Number of wild cards = 8 To...

Q: retirement. Carry out an appropriate hypothesis test and see whether there is any difference between...

A: Here use two tail test of comparing 2 proportion 

Q: For every a, 0 > 0. i) Derive the expected value of X. i) Derive the variance of X.

A:

Q: If a card is drawn randomly from a deck of 52 cards, what is the probability that the card is from t...

A: GivenTotal no.of cards in deck = 52

Q: Consider an experiment of tossing a coin thrice. Match the answer to the indicated concept. Sample S...

A: Given that  A coin tossed thrice 

Q: In a certain raffle, you are asked to choose six numbers from 1 to 42. You win the jackpot prize if ...

A:

Q: A memory test consists of 35 tasks. Each task is graded on a scale of 1 to 10. The score on the memo...

A: here given,  mean  = 5.1 standard deviation  =3 x= score on memory test   

Q: 35 Ponzi schemers are on the government's hit-list. In how many ways can the government name 3 of th...

A:

Q: Given the following discrete probability distribution: 0.2 for x = 0.2 0.4 for x = 0.4 f(x) = { 0.1 ...

A: The conditional probability is defined as P(A | B) = P(A ∩ B)/P(B)

Q: Explain what you can deduce based on the outcome/result of systolic BP and diastolic BP of different...

A: In the given question, we are given a ANOVA comparison between BP recordings for various positions. ...

Q: An internal study by the information technology department at a company revealed company employees r...

A:

Q: 5-69. The probability of winning $3 on the spinner at right is equal to the chance of winning $5. Fi...

A:

Q: Expected values and Binomial distribution 4. When Stéphane plays chess against his favorite computer...

A: Given n=10 r=7 P=0.60

Q: (i) Find the probability that a randomly chosen small rod has diameter greater than 2.15 cm. (ii) A ...

A: Here given machine produce two types of rod with small and large diameter  For large Diameter μ=2.2 ...

Q: A pair of six-sided dice is rolled. What is the probability that the sum is 7 [ Choose ] the sum is ...

A:

Q: Suppose that the antenna lengths of woodlice are approximately normally distributed with a mean of 0...

A:

Q: TOPIC: CONDITIONAL PROBABILITY 5) A family has three children. Assuming that boys and girls are equ...

A:

Q: 2. There are 5 blue balls and 7 yellow balls. Two balls are selected one by one without replacement....

A: p(first is blue and second is yellow) = ?

Q: The marginal distributions of two random variables X and Y, together with some values of their joint...

A: Solution-: We have following table:   Y=1 Y=2 Y=3 Total X=1 - 0.08 - 0.20 X=2 - 0.32 - 0.80 ...

Q: Assume A and B are independent events with P(4) = 0.2 and P(B) = 0.3. Let D be the event that exactl...

A: We have given that P(A) = 0.2 P(B) = 0.3 Where, A and B are independent D be the event that A or B o...

Q: A four-digit number is to be formed from the digits 0, 1, 2, 3, 5, 7, 8, and 9. How many four-digit ...

A:

Q: calculate the expected value of X.S

A: A cubical die is biased. The numbers one to five are equally likely to land face up, but six is twic...

Q: Clue is a board game in which you must deduce three details urrounding a rmurder. In the origirat ga...

A:

Q: insurance company determines that the probability a person files a claim in the next year is 8%. If ...

A: Given data,probability a person files a claim in the next year is 8%p=8%=0.08If n=10what is the prob...

Q: Decide whether the statement describes a parameter or statistic. Write youranswer on a separate shee...

A: A statistical measure based on population values is called a Parameter, e.g. population mean, popula...

Q: The probability distribution for the number of students in Statistics classes offered at a small col...

A:

Q: The probability (i) that A can solve a prob Statistics is 4/5, (ii) that B can solve it is 2/3, (iii...

A: We have given that A can solve a problem in statistics is 4/5 B can solve it is 2/3 C can solve it i...

Q: 1) Determine if the following are continuous or discrete random variables: a) The amount of money wo...

A: We have Discrete random variable: A variable that takes countable no. of possible values. Continuous...

Q: 1. (i) In a certain population, the force of mortality p, at age x is as follov 0.007, 61 <x < 66, 6...

A: Two actuarial function p and q and other functions d and l The first function  Sx(t) = Pr(Tx&gt;t) a...

Q: A four-digit number is to be formed from the digits 0, 1, 2, 3, 5, 7, 8, and 9. How many four-digit ...

A:

Q: A bag contains 10 red marbles, 10 white marbles, and 6 blue marbles. You draw 4 marbles out at rando...

A:

Q: Suppose that we have a fuse box containing 20 fuses, of which five are defective. If 3 fuses are sel...

A: Given that  Total fuse=20 Defective fuse=5 3 fuse chosen at random 

Q: Texting: Five teenagers are selected at random. Let X be the number of them who have sent text messa...

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

Q: Normal probability tables typically list z-score values between -3.49 and 3.49 O True O False

A:

Q: 44. A regression analysis yields the line ŷ = 32 + 0.4x. One of the subjects, Racheal, has a = 60 an...

A: As per guideline plse mention Question number... otherwise post separately. Sol for Q44.given below

Q: True or False The Law of Total Probability states that If the events{B;}", constitute a partition of...

A: For the given statement,  we need to tell if this is true or false.

Q: A four-digit number is to be formed from the digits 0, 1, 2, 3, 5, 7, 8, and 9. How many four-digit ...

A: Given,digits is 0,1,2,3,5,7,8,9

Q: There is a very popular lottery in which a ticket is called a scratcher. In this lottery, 41% of the...

A:

Q: 2 62.50 6.00 8 (a) Construct the 95% confidence interval for µx - HY. (b) Obtain the P-value for the...

A:

Q: Suppose that the annual rate of return for a common biotechnology stock is normally distributed with...

A:

Q: Twelve officers of an organization are to be divided into committees. In how many ways can the offic...

A:

Q: dent on the first.  A)Describe events that correspond to each action. Create events A, B, C, and D ...

A: *Answer:  We know that the ,  An experiment is a controlled study in which the researcher attempts t...

Q: 1. ________ are those events in which the probability of occurrence of an event is not affected by t...

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

Q: In how many ways can a person select seven party guests from 12 women  if he is to avoid having a pa...

A: Here we will use the concept of Combination

Q: 1. In how many ways can 8 students be seated in a row of 8 seats if 2 of the students insist on sitt...

A: We have to find how many ways can 8 students be seated in a row of 8 seats if 2 of the students insi...

Q: Using all 1991 birth records in the computerized national birth certificate Center for Health Statis...

A: Given data,Mean μ=3432sd    σ=482

Q: Let X Poisson(A) and Y = VX. Use the delta method to approximate the mean and variance of Y.

A:

Q: Assume a lottery system, it have 10% winning rates, that only win or not win. Tom  win 11 times afte...

A: Given information: P(Win) = 10% P(Win) = 0.10 P(Not win) = 0.90

Q: There is a p(x1) = 0.4 probability to observe x1 = 10 and p(x2) = 0.6 probability to observe  x2 = 5...

A: We have given that  X 10 5 P(X) 0.4 0.6

Q: Find the probability that in five years' time : (a) both machines will be performing a usual functio...

A: Here Given two machines A and B  And  Probability their preforming usual in 5 years time P(A)=14=0.2...