1. CHEERLEADING The cheerleading squad is made up of 12 girls. A captain and a co-captain are selected at random. What is the probability that Chantel and Clover are chosen as leaders?

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A: Given that  Two coin are tossed  Z be the random variable of tails occurs 

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Q: The average per capita income for residents of Pennsylvania is $32,711 with a standard deviation of ...

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Q: Company X has 10 employees, each placing an average of 20 minutes of long-distance calls per day. Th...

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Q: License plates in Alberta have 3 letters followed by 4 numbers. What is the probability that Bob wil...

A: Here Given  License plates in Alberta have 3 letters followed by 4 numbers Now take Events P(X)=Prob...

Q: Let X denote the reaction time, in seconds, to a certain stimulant and Y denote the temperature (°F ...

A: P(0≤X≤1/2 and 1/4≤Y≤1/2)=?  P(X<y)=? 

Q: Angelee has to answer any six problems on a test consisting of ten problems. In how many different w...

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Q: In how many ways can 9 individuals be seated in a row of 9 chairs if two individuals wanted to be se...

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Q: The number of hours of computer usage in a day of a random sample of 20 students was recorded as fol...

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Q: A game is played using a four-sided wooden top, with one of four letters on each face, A, B, C, or D...

A: Given Information: Consider X as the amount of token won by the player that can take the values (-1,...

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

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Q: a certain game involves tossing 3 fair couns and it pays 22 cents for 3 heads, 9 cents for 2 heads a...

A: Given that  certain game involves tossing 3 fair couns   it pays  22 cents for 3 heads, 9 cents for ...

Q: and that a lot contains 1000 chips. Approximate the following probabilities: (a) More than 25 chips ...

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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: Suppose that X and Y have following joint probability distribution: F(x,y) 4 1 0.10 0.15 3 0.20 0.30...

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Q: QUESTION 11 A card is drawn at random out of a deck of 52 cards, with return. This is repeaded 10 ti...

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Q: A normal probability table displays areas of probability at multiple points for multiple z-scores. O...

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Q: A. The Wildcats have won approximately 80% of their 20 basketball games this season. The Wildcats wo...

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Q: In a Pinochle deck, each of the four suits (hearts, diamonds, spades, and clubs) has two of each of ...

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Q: In a recent year (365 days), there were 693 murders in a city. Find the mean number of murders per d...

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Q: The chess clubs of two schools consist of, respectively, 8 and 9 players. Four members from each clu...

A:   Given problem Given that The chess clubs of two schools consist of, respectively 8 and 9 players. ...

Q: A simple random sample of the age of 8 employees of a corporation is recorded. Assume that the popul...

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Q: Construct all random samples consisting three observations from the given data. Arrange the observat...

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Q: Construct a 98% confidence interval to estimate the population mean when x= 131 and s 34 for the sam...

A: We have given that,  x̄ = 131, s = 34 Then,  We will find 98% confidence interval? 

Q: Then: (a) The probability that a randomly chosen student from the class got B is (b) The probability...

A: Here Given  Total Number of students=1+3+8+7+6=25  

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: The random variable X has a probability density function given by: k 1<x< 10 f(x) =} Vx- otherwise T...

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Q: What is the probability that a batch of serum survives the first departmental inspection but is reje...

A: A manufacturer of a COVID-19 vaccine is concerned about the quality of its flu serum. Batches of ser...

Q: Weather Suppose that it snows in Greenland an average of once every 26 days, and when it does, gla...

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Q: Find the probability of obtaining exactly one heart in four drawing from a deck of 52 cards.

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

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

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Q: QUESTION 15 Suppose you have a bowl of 100 jolly ranchers. There are 28 green apple jolly ranchers, ...

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Q: TOPIC: PROBABILITY OF INDEPENDENT AND DEPENDENT EVENTS 7) A math club with five male senior members...

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Q: Which ane of these graphs does not represent a nomal distribution? O.

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Q: In a recent year (365 days), a hospital had 5642 births. a. Find the mean number of births per day. ...

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Q: You are tasked to arrange five different Mathematics books, four different Science books and three d...

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Q: Write each as a single factorial. i) 56*6! i) (n + 3)(n + 2)(n + 1)! i) (n² + n)(n - 1)!

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Q: A college administration has conducted a study of 200 randomly selected students to determine the re...

A: Obtain the probability that a randomly selected student is not on academic probation. The probabilit...

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Q: Find the number of ways in which any 3 of 40 students can be ranked fırst, second, and third accordi...

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Q: The hypothesis statement HI: s = 44 is an example of an alternative hypothesis. Select one: O True F...

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Q: A recent poll indicated that 42.9% of voters approve of Mr. Biden's job performance. Suppose 100 peo...

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Q: 7. Poor Milhouse is hopelessly in love with Lisa. Unfortunately for Milhouse, Lisa does not feel the...

A: using binomial distribution find the probabilty

Q: How many ways can 4 men and 3 women be seated on a bench if the women are to be together? use permut...

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Q: Copy of Two discrete independent random variables X and Y are such that X can take values 2,3,5 and ...

A: Given that  Probability mass function of X is x 2 3 5 P(X=x) 0.2 0.6 0.2 Probability mass fu...

Q: Two unfair coins, both favoring heads, are tossed simultaneously for many trials, with the results s...

A: It is given that Frequency of two heads = 63 Frequency of one head and one tail = 102 Frequency of t...

Q: First, find the probability mass function f(x).

A: A game is played using a four-sided wooden top, with one of four letters on each face, A, B, C, or D...