2. The average of public jeepneys plying in Cebu is 18 years. Assume that the standard deviation is 4 years if a random sample of 9 public jeepneys is chosen, find the probability that the mean of jeepneys ages is between 15 to 21 years.

Q: For a certain knee surgery, a mean recovery time of 9 weeks is typical. With a new style of physical…

A: For the given data Perform Z test for one mean

Q: plogist determines that only 25% of the a

A: Given: Proportionality factor is 0.012 % Remaining of original amount is 25%

Q: Scores of 30 students in a 20-item summative test. Score Frequency Lower Boundaries (LB) Less Than…

A: Data given Class Class Boundries Frequencyf cf 3 - 5 2.5 - 5.5 3 3 6 - 8 5.5 - 8.5 4 7 9 -…

Q: Consider an experiment in which subjects were randomly given either a mug or a pen, and were told…

A: Please find the solution below. Thank you

Q: 1. The content of a medium jar of jocoque follows a normal distribution with a mean of 500 grams and…

A:

Q: A psychologist is studying the self image of smokers, which she measures by the self-image (SI)…

A:

Q: Which of the following is not a type of discrete probability distribution?   binomial distribution…

A:

Q: What is the probability that among 9 delegates randomly selected at this seminar, 3 arrived by air,…

A: The probabilities are 0.40, 0.20, 0.30 and 0.10 respectively, that a delegate to a certain seminar…

Q: Show complete solution. A random sample of 25 observations taken from a population that is normally…

A:

Q: What is the probability you draw two cards of the same color from a standard 52 card deck you are…

A:

Q: B: . A card is drawn from a well shuffled pack of 52 cards. Find the probability of: (i) '2' of…

A: It is known that Total number of cards in a deck = 52 Number of 2 of spades = 1 Number of Jacks = 4…

Q: a. Amy will arrive on time while Tess will not b. Both Amy and Tess will not arrive on time.

A: here define events  amy arrive on time  = A Tess arrive on time  = T here arrival of amy and tess on…

Q: Question 8 What is the relationship between a 95 confidence interval and a 99 confidence interval…

A:

Q: pility distribution 4 0.19 0.29 0.06 3. 2.

A:

Q: c. How many ways can you choose 3 pieces from the 4 kings and queens (black king, white king, black…

A: Here, order matters. Therefore permutation rule can be applied. Permutation Rule: A permutation is…

Q: the top tour of these accounting for over 50% of all non-accidental deaths as follows: heart disease…

A: The total proportion of any distribution is always 1.

Q: , what is the chance of A in winning.

A: your daughter is a political analyst for a presidential candidate (Aspirant A) with two strong…

Q: Suppose that in a year of 365 days, it rains on 34 days. There is lightning on 19 days. There is…

A: Given that ; N = 365 days Rains = 34 days  Lighting = 19 days  Both = 12 days By using the basic…

Q: ossed twice. Which event is least likely to occur? [ Select]

A: Solution

Q: What is the probability of getting an odd numbered card in a regular deck of 52 of card? What is the…

A:

Q: A sinusoidal random process is defined as X[n] = A cos(0.3n) for A~N(0, 1). Compute the mean…

A: Hello! As you have posted more than 3 sub parts, we are answering the first 3 sub-parts.  In case…

Q: Q 1/ Given a random variable having the normal distribution with u-16 and o=1.5625. Find the…

A:

Q: Peter went shopping for dinner. The vendor “accidentally” mixed all the chicken and duck eggs.…

A:

Q: Find the mean and standard deviation for the distribution. B/choose the appropriate answer: 1- P is…

A: Here we will use the concept of permutation and combinations Permutation :  nPr  = n!/(n-r)!…

Q: What is the probability of recording exactly 3 deaths on the next day?

A: here given,  daily mean number of COVID 19 deaths in Metro Manila is 2

Q: 8. The lengths of nails, in millimetres, at a certain plant are normally distributed with a mean of…

A: Let X be the random variable from normal distribution with mean (μ) = 22.00 and standard deviation…

Q: B-Suppose a random variable X has probability function 1 3. P(X=x) 0.625 0.125 a f the expected…

A: Given,The expected value of X is 1.25

Q: a) There will be exactly 12 outages in any one month? b) There will be at least 9outages in any…

A:

Q: An urn contains 5 red, 6 blue, and 8 green balls. If a set of 3 balls is randomly selected, what is…

A: Given that there are 5 red, 6 blue and 8 green balls. Total number of balls is 5+6+8=19. 3 balls are…

Q: How many permutations of the letters " PAPUNTAPALANGTAYOSAEXCITINGPART" can be made?

A: From the above data We are given that the word.  PAPUNTAPALANGTAYOSAEXCITINGPART In the above word…

Q: c) (a) For the next shaft, what is the probability that its diameter is between 8.5 mm and 13.0 mm?…

A:

Q: 2. Write the Kolmogorov backward equations for a birth-and-death process with birth rates di = 3(i +…

A:

Q: A Markov chain has the transition probability matrix 0.2 0.6 0.2 0.5 0.1 0.4 L0.1 0.7 0.2 What is Pr…

A: In question, Given that a transition probability matrix P. Then we'll find the following…

Q: f. True - False from 100 and we reject Ho then we have enough evidence to reject the claim. g. True…

A: Hypothesis testing tests a claim about the null hypothesis.

Q: What is the chance that one card will be a spade that is exactly one card? What is the probability…

A: As per company guidelines I solved only First questions.thank you

Q: A random sample of 16 pharmacy customers showed the waiting times below (in minutes). 11 19 25 23 19…

A: Given data is 11,25,19,17,24,16,18,20,19,23,21,17,17,14,15,11sample size(n)=16Confidence interval =…

Q: 1. Suppose that the events A, B are independent. (a) Using the Law of Total Probability, show that…

A: Result: If A and B are independent then P(A and B)=P(A)P(B)

Q: 2. According to a factory employer, the mean working time of workers in the factory is 10 hours with…

A:

Q: Dr. x was interested in studying the hand-washing habits of York KINE students, so they sampled 100…

A: Given that  Sample size n =100 Population mean μ =125 SEM=3

Q: 6. Suppose that X is an Exponential with rate 1 and that, given X = x, Y is an Exponential with rate…

A:

Q: k What is the predicted time(hrs) spent by a 16-year-old'? 5 6 8 7 What age is predicted to spend…

A: For the given data select the correct choice

Q: Step 2 We found the following probability distribution for the die, in terms of an unknown x.…

A: Given that  Probability mass function of X  Outcome 1 2 3 4 5 6 Probability  3x 3x x x x x

Q: Suppose that five hundred residents were randomly selected and asked whether they have covid vaccine…

A: There are two categorical variables which are gender and Covid Vaccine booster shot. We have to find…

Q: A manager of a café estimates that an average regular customer visits the store 4 times in a week (7…

A: GivenOn average customer visits the store 4 times in a week(7 days)λ=4 times per weekLet "x" be the…

Q: Part A: Based on Miles' data, estimate the probability he lands on red on his next spin.…

A: Here Given  Miles spuns the spinner 300 times  No of times it land  on  Green-57 Yellow-69 Blue-63…

Q: 1. Complete the ordered pairs, and plot them onto a coordinate plane. Sequence 1 Sequence 2 Ordered…

A:

Q: Let Y have the density f(y) T(a+B) ya-1 T(a)r(8) (1+y)ª+ß" y > 0, determine E(Y) and E(Y²).

A: Given  Y~Beta 2nd kind(ɑ,β)

Q: If the student attends class on a certain Friday, then he is twice as likely to be absent the next…

A:

Q: The probability of triplets in human births is approximately 0.001. Whats the probability that there…

A: Givenp=0.001n=700

Q: Here is some information to help you with your Z-test. • The value of the test statistic is given by…

A: