a. At Portland Community College in 2019, there are 23 full-time math teachers who identify as male, and 20 full-time math teachers who identify as female. What is the probability that a random full-time math instructor is a woman?

Q: When a single die is rolled, what is the probability of getting a number less than 6.

A: If a single die is rolling then sample space (s) is,  s = { 1, 2, 3, 4, 5, 6 } = 6 outcomes Then,  W...

Q: Suppose heights of female (cm) is normally distributed as N(µ = 165, o² = 7.52) where the mean µ = 1...

A: Given Information: Mean μ=165 Variance σ2=7.52 Standard deviation σ=7.5 (a) To determine the proport...

Q: 2. How many elements are in the subarray A[4], A[5],., A[39]? 3. What is the 62nd element in the one...

A: A subarray is a subset of another array. 

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: 19. If P(A) = 0.60, P(B) = 0.42, and P(A or B) = 0.88, then P(A and B) %3D %3D %3D %3D

A: Given P(A)=0.60P(B)=0.42P(A or B)=0.88

Q: we want to guarantee that each of the three children gets at least 50 dollars. How many ways could w...

A:  

Q: Classify the following recurrent Markov chains as periodic or aperiodic. b) 5 5 1 4 4 3 2 3 2 d) 1 5...

A: Periodic and Aperiodic States Periodic     Suppose that the structure of the Markov chain is such th...

Q: The data shown below for the dependent variable, y, and the independent variable, x, have been colle...

A: Hi! Thank you for the question, As per the honor code, we are allowed to answer three sub-parts at a...

Q: Determine if the events described in each of the given problems below are Mutually Exclusive Events ...

A:

Q: 14. The probability density function of a Markov process is« a) p(x1,x2,x3..xn) = p(x1)p(x2/x1)p(x3/...

A:

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: Please refer to book section 12.2 problem 76 for help if needed. A bean bag is randomly thrown onto ...

A: a bean bag is randomly thrown onto the square Find p( red or yellow ) =?

Q: A coin is tossed three times. Let H and T be the head and tail shown on the side of the coin facing ...

A:

Q: 19. Which of the following data show most likely the largest possible variance or variability? A. nu...

A: Solution: The most likely the largest possible variance or variability

Q: Which of the following equalities does not imply that the events A and B are independent??

A: Here use property of independent event 

Q: Question 6 On average there are 3 earthquakes each year in a certain geographic location. The distri...

A:

Q: answe

A: Variance is basically the measure of spread/dispersion in a data set.

Q: Riding to School The probability that John will drive to school is 0.32, the probability that he wil...

A: Given that  The probability that John will drive to school =0.32 And probability that he will ride w...

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

A:

Q: Example 1. A random variable has the following probability distribution Values of X 8 2 3 P(x) 3a 5a...

A: Solution is given:

Q: The mishandling of a shipping container loaded with 750 cases of wine caused some of the bottles to ...

A: The relative standard deviation is given by σr=1-pN×p where p= Probability of a broken bottle N= Siz...

Q: 15. A rug manufacturer has decided to use five compatible colors in her rugs. However, in weaving a ...

A: Given that  For Rug manufacturer  Number of colors=5  In a Rug weaving  Number of spindles=4  We hav...

Q: 4. A consumer attends a retail location selling overruns and surplus packages. There is a 0.15 chanc...

A:

Q: A stockist has 20 items in a lot. Out of which 12 are non-defective and 8 are defective. A customer ...

A: Solution is given: hope the answer is helpful.

Q: The Venn diagram here shows the cardinality of each set. Use this to find the probability of observi...

A:

Q: A patient stayed less than 7 days. Choose... Choose. A patient stayed at least 4 days. 122/127 A pat...

A: It is given that Total = 127 Let X denote the number of days patient stayed.

Q: 15. A rug manufacturer has decided to use five co rug, only four spindles can be used. In advertisin...

A: Given that -A rug manufacturer has decided to use five compatible colors in her rugs. However, in we...

Q: Three coins are tossed. Find the probability of getting at least two head

A: Given Three coins are tossed 

Q: (d) The production cost of a phone battery is $100 and the selling price to the mobile company is $5...

A: find the probability distribution from the previous ...................

Q: 3% of the workers in a factory are union members. A random sample of 5 workers is taken from these w...

A:

Q: Determine if the events in the problem are independent or dependent, then find the probability of th...

A:

Q: (a) E(- log X) > – log(EX) (b) E[log(1/X)] > log[1/EX] (c) E (X³) > (EX)³

A: Question:

Q: A deck of cards is shuffled and two cards are drawn. Find the chance that the second card is a club...

A:

Q: Refer to the given table in answering numbers 18-19. In the experiment of tossing coin twice, the fo...

A: Let X be the random variable having probability mass function is,  X 0 1 2 P(X)  1/4 1/2 1/4 ...

Q: outcomes of a soccer match are win, lose, or tie. What is the possible number of outcomes for the se...

A: here given , 3 matches are remaining

Q: Suppose that 10% of the people in the world have at least 1% Neanderthal DNA. a. What is the probabi...

A: In the given problem, 10% of the people in the world have at least 1% Neanderthal DNA.

Q: 5. ISE has installed a new air purifying system in all 25 lecture rooms, one per room. Suppose 2 of ...

A: Given information: μGood=5λGood=15=0.20μDefective=1λDefective=11=1.0

Q: Find (A u B) o B'.

A: Here use basic of venn diagram 

Q: Weight after six 170 130 215 152 weeks For the population of all adults, assume that the weight loss...

A: Given : Weight before the diet ,X weight after six weeks, Y 180 170 125 130 240 215...

Q: 19. If two dice are rolled one time, find the probability of getting these results. a. P(sum of 6)%3...

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

Q: senior inspector will inspect 10 rooms this week. (d) To have a fair representation, how many sea-vi...

A: In ENJOY hotel, there are a total of 200 rooms. 160 rooms are ordinary-sized, and the rest are suite...

Q: A die is rolled three times. What is the chance that--- all the rolls show 2 or more spots?

A:

Q: A bag contains 7 white and 9 black balls. The balls are drawn in succession at random, what is the p...

A:  

Q: There are 5 white and 3 black balls in the first jar and 4 white and 4 black balls in the second jar...

A:

Q: The annual rainfall in a certain region is modeled using the normal distribution shown below. The me...

A: Empirical rule: The probability of the observation lies within 1 standard deviation of the mean, un...

Q: theoretical correction for a Pearson’s correlation that boosts the size of the correlation when vari...

A: The relation between the Spearman and Pearson correlations will give some information. Briefly, Spea...

Q: What is the probability that the accident occurred on either the evening or the graveyard shift?

A: It is given that P(evening) = (6 + 25)% = 31% = 0.31 P(graveyard) = (2 + 30)% = 32% = 0.32

Q: Example 3.9. For x = 1,2 and y = 1,2, let the joint PMF of X and Y be defined by ry fx.y(x, y) = 15 ...

A:

Q: There is a  standard deck of 52 cards, a hand of 7 is dealt. Please find How many hands are possibl...

A: Since the deck of cards consists of 52 cards we can say that the total possible outcome for each car...

Q: A batsman for a particular cricket team has a 0.7 chance of having a good game and a 0.3 chance of h...

A: Given that p ( good ) =0.7 , p (bad ) =0.3 p(hit/good ) =0.8,p(hit/bad ) = 0.2 p(strong game/hit six...