From a class of 20 boys and 15 girls, a committee of five students will be selected. What is the probability that the committee of five will have exactly one boy? 39/4216 O 975/1159O O 4329/46376 O 975/11594

Q: A teacher categorized students by whether they regularly completed their homework (or not) and…

A: Given: A teacher categorized by whether they regularly completed their homework (or not) and whether…

Q: the F test leads us to reject the null hypothesis, we must then conclude that the two opulation…

A: We have given that,  If the F test leads us to reject the null hypothesis, we must the  concluded…

Q: QUESTION 7 Given a symmetrical Bell-shaped curve showing characteristics and properties of Normal…

A: Let Z be the random variable from symmetrical bell-shaped (normal) curve them we will find the…

Q: Suppose that X is normally distributed with mean 120 and standard deviation 16 A. What is the…

A:

Q: 21. How many ways may 5 students be seated in a row of 5 chairs for a pictorial?

A: Ans#  How many ways may 5 students be seated in a row of 5 chairs for a pictorial ?

Q: Two cards are drawn at random from a deck of 52 cards without replacing the first card before…

A: We know that There are 52 card in the deck in which they divided into two color i.e red(26) and…

Q: cel File: data10-11.xlsx Sample 1 10 7 13 7 9 8 Sample 2 8 7 8 4 6 9 Compute the two sample means.…

A: From the given information we calculate confidence interval for two sample mean t test.

Q: An urn contains four balls; two of the balls are numbered 1, and the other two are numbered 2. Two…

A:

Q: 4. You have 6 history books, 5 English books, 4 mathematics books, and 3 chemistry books which you…

A: Let us assume there are three girls A, B and C sitting beside each other. The different ways in…

Q: A randomized experiment was done by randomly assigning each participant either to walk for half an…

A: Given: A randomized experiment was done by randomly assigning each participant either to walk for…

Q: 3 4 A pointer is spun once on a circular spinner. The probability assigned to the pointer landing on…

A: From the given table Find P ( F/E) =?

Q: An experiment was conducted to compare a teacher-developed curriculum, that was standards-based,…

A:

Q: A certain type of radio tubes lasts on the average of 3 years with a standard deviation of 2.9…

A: Solution: Given information: n= 40 Sample size  μ= 3 Population mean σ= 2.9 Population standard…

Q: A discrete probability distribution is given by the table below. 123 4 5 Pr(X=x) aa2a0.20.4 The…

A:

Q: Let X and Y be jointly continuous random variables with joint PDF is given: f X,Y (x.y) I co,l) a) I…

A:

Q: Use the spinner below. 12 1 11 2 10 3 4 8 7 5 6 P(>2) =

A: For the given data p(>2)=? p(odd number ) =?

Q: Given that P(S) = 0.3, P(S|Q) = 0.4, and P(Q) = 0.5, find the following probabilities: a. P(SnQ) b.…

A: Given. P(S)=0.3, P(S|Q)=0.4, P(Q)=0.5

Q: At the beginning of the school year a class of students are asked what foreign languages they have…

A: Obtain the probability that a randomly chosen student has studied French before. The probability…

Q: A chalk box contains 5 pink chalks and 4 white chalks. If three items are picked at random, assuming…

A: 9 Chalk=5 pink chalk+ 4 white chalk  n=3=sample  Let X be the number of pink chalk balls  Let p be…

Q: o=58. From sample sizes of 36 adults find the proportion of sample means having values of at least…

A: here , sample size  = 36 population  mean = 162 population standard deviation = 58

Q: What is the probability that a. A camper entering the Camp Sinai is a cyclist? b. A cyclist entering…

A: here given, The probability that a cyclist in a bicycle entering the Camp Sinai is 0.12; the…

Q: At any given time, a subatomic particle can be in one of two states, and it moves randomly from one…

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Q: In response to concerns about nutritional contents of fast foods, McDonald's has announced that it…

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Q: An advertisment claims that 639% of customers are satisfied with a certain bank, What is the…

A: Given that n=490 , p=63.9%=0.639  , q=1-p=1-0.639=0.261

Q: Suppose that the weights of cats are normally distributed with an unknown mean and a standard…

A: Let population mean μ  Standard deviations σ=2.3

Q: The null and alternative hypothesis would be: Но:р — 0.55 Но: р — 2.2 Но:р — 0.55 Но: и — Ho:P 0.55…

A: We have given that  The claim: The mean GPA of night students is larger than 2.2.

Q: For x = 1, 2, 3 and y = 1, 2, let the joint pmf of X and Y be defined by f X,Y (x, y) = (x+y)/21…

A:

Q: Suppose that the amount of time one spends in a bank is exponentially distributed with mean 10…

A: Let X be the amount of time one spends in a bank follows exponentially distributed with mean of 10…

Q: 1. In how many ways can 8 members of Board of Directors be chosen from 5 juniors and 7 seniors if…

A: Let us suppose there are three marbles viz. a red, a green and a blue. From these, there are three…

Q: is Pira ch exercise and find your answer in the Code Key. Write the Te A. Find each probability if…

A: Note: According to Bartleby guidelines expert solve only one question and maximum 3 subpart of the…

Q: A safe box requires a new user to set up a 6-digit code before using it. The user is allowed to only…

A: Given Information: A safe box requires a 6 digit code. The user is allowed to only set up the code…

Q: Two gamblers play the following game: A fair coin is flipped; if the outcome is head, player A pays…

A: Given For Head outcomes, Player A pays Player B is 1$ For Tail outcomes, Player B pays Player A is…

Q: You wish to test the following claim (H.) at a significance level of a = 0.02. H.:µ = 53.1 Ha:µ +…

A: Given information Hypothesized mean µ = 53.1 Sample size (n) = 52 Mean M = 47.2 Standard deviation…

Q: Let X denote the number of paint defects found in a square yard section of a car body painted by a…

A:

Q: g(x)-=x^2+4x-6- 10- f(x)-= 2^x- -5- 15 -10 -5 -5- 10 g(x) = -10 when x = 3 g(-2) = -10 g(-5) - f(0)…

A: The function is the mathematical expression that tells the relationship between one variable and…

Q: An article suggests that substrate concentration (mg/cm3) of influent to a reactor is normally…

A: Mean(µ) = 0.30Standard deviations (σ) = 0.07X ~ N (µ, σ )= N(0.30, 0.07)

Q: There are 50. The teacher had only 20 free tickets for the Art Museum for this class. Therefore, the…

A: The intersection of two events indicate that two events are occurred simultaneously. If the two…

Q: Random Processes and Relative Frequency Part 1: A six sided die is rolled repeatedly. The possible…

A: Given that , A six sided die is rolled repeatedly. The possible equally likely outcomes are 1, 2, 3,…

Q: Assuming a constant failure rate of 0.012 with an exponential probability distribution, if only a…

A:

Q: Between the hours of 2 and 4 p.m. the average number of phone calls per minute coming into the…

A: GivenThe average number of phone calls per minute is 2.5λ=2.5 Let "x" be no. of phone calls…

Q: What is the probability of getting 3 out of 5 questions right on a multiple choice exam, where each…

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Q: "Time headway" in traffic flow is the elapsed time betvween the time that one car finishes passing a…

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Q: If the jobs arrive every 15 seconds on average, A- 4 per minute, what is the probability of waiting…

A: Given,A random variable X~Exponential(λ=115seconds)f(x)=115e-x15       ;   x≥0

Q: Compute the number of ways we can select n fruits from 4 types of fruit (assume an unlimited supply…

A:

Q: Two cards are drawn from a deck of 52 cards. The first card is replaced before drawing the second…

A: no.of black cards=26no.of Ace cards=4Total no.of cards=52

Q: Very few testing procedures are absolutely perfect. This has become particularly apparent with the…

A: Let C be the event that someone has COVID-19 C1 the event that someone does not have COVID-19 P be…

Q: 1. In how many ways can 3 boys and 2 girls be seated in a row for picture taking if the boys would…

A: "Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: If two fair dice are​ rolled, find the probability that the sum of the dice is 5​,given that the…

A: The sample space of two fair dice is S={ (1,1) (1,2) (1,3) (1,4) (1,5) (1,6)  (2,1) (2,2) (2,3)…

Q: Problem 3. A lottery gives you an award if you are able to choose correctly at least 5 numbers out…

A: Here it is without replacement model so use hypergeometric distribution

Q: INSTRUCTION: EXPLAIN THE STEP BY STEP SOLUTION IN SENTENCES/PARAGRAPH. An adult rabbit's average…

A: Let X be the random variable from normal distribution with mean (μ) = 30 and standard deviation (σ)…