QUESTION 10 A survey among freshmen at a certain university revealed that the number of hours spent studying the week before final exams was normally distributed with a mean of 25 hours and a standard deviation of 7 hours. Determine the probability that a freshman studied for more than 24 hours. Answer: Work What is the Z-score that you found? Which curve below (A, B, C, or D) looks similar to the one you drew? A What area did you find on the table? Enter any other work you did to find your answer here:

Q: In how many ways can a comittee of 6 be chosen from 6 administrators and 4 supervisors if all are eq...

A:

Q: A2

A: The classical linear regression model (CLRM) is that there is no multicollinearity among the regress...

Q: (A psychologist is experimenting with white and black mice which have been divided into 2 groups. In...

A:

Q: Use the cumulative distribution function given in Question 1 to determine the probability: P(1/8 2/8...

A:

Q: The odds against a student X solving a Mathematics problem are 8:6 and the odds in favour of student...

A:

Q: 77% with a standard deviation of 10%. What is the probability that the mean mark of four randomly se...

A: here given, marks in days and evening class is normally distributed  so here sampling distribution o...

Q: An entrepreneur owns seven corporations, each with more than $10 million in assets. The entrepreneur...

A: Given,n=7p=0.12q=1-pq=1-0.12=0.88A random variable X~Binomial(n=7 , p=0.12)P(X=x)=7x0.12x0.887-x  ; ...

Q: Consider the probability distribution for the number of black pens when 4 pens are selected at rando...

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

Q: This table shows how many sophomores and juniors attended two school events. Jazz band Volleyball ga...

A: According to the given information, we have Total number of persons = 137   Jazz band concert Vol...

Q: How many possible outcomes are there if you roll 6 four-sided dice? How many possible outcomes are t...

A: Here we have to find total number of possible outcomes when we roll 6 6 four sided die and 2 Six sid...

Q: I roll three different loaded dice. For the first die the probability of getting a 5 is 0.64, for th...

A:

Q: 4. A manufacturer of certain subassembly item used in desktop panel has a production line that produ...

A: Hello Thank you for the question. According to our honor code can answer only three sub parts at a t...

Q: 2. In a class of 29 students, 15 like Social Studies and 21 like Math. If 14 of them like both Socia...

A: As per our guidelines we are suppose to answer only one question 2)GivenTotal no.of students = 29No....

Q: CONSIDER ROLLING 2 SIX SIDED DICE, DETERMINE THE FOLLOWING: 1. SAMPLE SPACE 2. THE PROBABILITY OF RO...

A: If  six sided die rolled two times then sample space (S) is,  S= {(1,1), (1,2), (1,3,),(1,4),(1,5),(...

Q: Of 20 rats in a cage, 12 are males and 9 are infected with a virus that causes hemorrhagic fever. Of...

A:

Q: Suppose X1,.., X50 for k = 1,2, 3, 4 are independent 2- dimensional random samples from 4 treatments...

A: Given that Xk,1, . . ., Xk,50, for k=1, 2, 3, 4 are independent two dimensional random variables fro...

Q: Find the distance between the points and the slope of the line containing the points. (Please provid...

A: Given, Find the distance between the points and the slope of the line containing the points.   

Q: In how many ways can 12 jury members be seated in a court?  b) What is the probability that Ashley w...

A: Here use different method for possible no of arrangement 

Q: Here is a table showing all 52 cards in a standard deck. Face cards Color Suit Ace Two Three Four Fi...

A: Formula for Odds in favor:  

Q: A bag contains several marbles, 15 of which are blue, 11 are yellow, and 8 are green. Answer the fol...

A: According to the given information, we have Number of blue marbles = 15 Number of yellow marbles = 1...

Q: Let X be a random variable with the following probability distribution. Value x of X P (X=x) 1 0.05 ...

A: Solution-: We have following table: X P(X=x) 1 0.05 2 0.85 3 0.05 4 0.05 We find, (a)...

Q: What is the mean of the probablity distribution below? Probablity Distributlon x01 2 a PW) 0.32 0.14...

A: The table shows the probability distribution table.

Q: 5. () Consider the experiment of selecting two cards at random from an ordinary deck of playing card...

A: Given,no.of spead cards=13Total no.of cards=52

Q: 4) Out of all the business students, 40% specialize in accounting, 15% fail the business math course...

A:

Q: Consider the SDE: dX = aX dt + b(t) X dW    with X(0) = 1 Here a is a constant and b(t) is a functio...

A:

Q: How many different eleven-member football teams can be formed from a possible 35 players if position...

A:

Q: Local parents and their children were invited to the grand opening of a daycare center. Each of the ...

A: a) The contingency table is given as follows:   Pencil Cup Magnet Row Total Parent ...

Q: Research was conducted on the amount of oxygen runners could utilize during training, known as their...

A: Given data is  VO2 Max(ml/kg/min)(x) 5k Finishing Time(min)(y) 16.28 34.66 20.55 37.41 18.6...

Q: Suppose that 61% of all college seniors have a job prior to graduation. If a random sample of 75 col...

A: Given,n=75p=0.61mean(μ)=npmean(μ)=75×0.61=45.75standard deviation(σ)=np(1-p)standard deviation(σ)=75...

Q: Permutations: There are 22 players on a hockey team. 2 are goalies. a) What is the number of ways ...

A:

Q: An experiment consists of rolling a pair of fair cubic dice and recording the sum of their outcomes....

A: Given that - An experiment consists of rolling a pair of fair cubic dice and recording the sum of th...

Q: Question 22 Consider the random experiment of drawing a card from a standard park of 52 cards. Defin...

A:

Q: A clinical trial is being conducted in order to determine the efficacy of a new drug used to treat R...

A: From the provided information, Margin of error (E) = 3.0 mg/dL Standard deviation (σ1) = 8 mg/dL and...

Q: An officer of the state lottery commission has sampled lottery ticket purchasers over a 1-week perio...

A:

Q: 2. Let {N(t)} denote a Poisson process with rate A. For 0 < s< t, derive the joint distribution P(N(...

A: Given: N{t} is a possion (λ) P(N(s) = i | N(t) = j) needs to be found.

Q: A researcher wants to determine if there exists a linear correlation between the length in inches of...

A: As per the Bartleby guildlines we have to solve first three subparts and rest can be reposted.... Gi...

Q: You are dealt one card from a 52-card deck. Find the probability that you are dealt a two or a red c...

A:

Q: Consider the discrete random variable X given in the table below. Calculate the mean, variance, and ...

A:

Q: Events A and B are indpendent events. Find the indicated probability. You may round your answer two ...

A:

Q: Suppose that you and a friend are playing cards and decide to make a bet.  If you draw three twos in...

A: Given that  If you draw three twos in succession from a standard deck of 52 cards without replacemen...

Q: Let p, q, and r be simple propositions. ¬(r^ q)] V (¬p V q)

A: Given p,q,r are simple propositions we should construct the truth table for the given question. Plea...

Q: 7. Suppose you have 15 CDs from which you choose 6 CDs to put in the CD player in your car. If you a...

A: As per guidelines expert have to answer first question only dear student please upload other questio...

Q: 5. The probability that a train leaves on time is 0.9. The probability that it leaves on time and ar...

A:

Q: (i) The probability that there would have been a short circuit = 0.8 (ii) The probability of LPG exp...

A: The given information is  P(SC)=0.8  P(LPGE)=0.2        Let A denotes the event of fire accident  th...

Q: To lessen the number of non-numerates in private High School, the Mathematics department implemented...

A: We have given that.   X~N( μ , ?^2 )   μ =30.50 , ? =9.50   Z-score =( x - μ )/?

Q: How many different four-character passwords are possible if the first and third character must be a ...

A: The number of letters from A to Z is 26 and the number of digits from 0 to 9 is 10.

Q: A university class has 27 students: 13 are psychology majors, 5 are business majors, and 9 are nursi...

A: Given that  A university class has 27 students. Psychology majors = 13 Business majors = 5 Nursing m...

Q: What is the probability that the couple will have 3 girls and 2 boys? b. What is the probability tha...

A: NOTE-AS PER CHEGG POLICY I HAVE CALCULTE FIRST 3 SUBPARTS ONLY     Each CHILD born  is independent ...

Q: An urn contains 5 blue balls, 6 red balls, and 7 black balls. Two balls are randomly drawn without r...

A:

Q: c) P(2 1)

A: