In a Music School the Students belong in three distinct classes according to their year of study. 40% of the Students are in the first year, 20% are in the second year and the 40% in the third year. The percentage of the students who play the guitar is the: 50% of the first year Students, 60% of the second and 70% of the third year Students. We pick randomly a Student and we define the events:   Y1:={the Student is on the 1st

Q: RST MAV025015 N831056000 7.P(N)- &P(RON)- 9. Are events and 5 muy velve! Tee in Yor

A: Given P(R)=0.40 P(S)=0.41 P(T)=0.19

Q: Q5A A box contains 68 red balls, 80 white balls, and 55 blue balls. (a) If one ball is drawn from…

A: The objective of the question is to find the probability of certain events when balls are drawn from…

Q: Let A and B be events with P(A) =0.7, P(B) = 0.44, and P(B|4) = 0.8. Find P(A and B). P(4 and B) =

A:

Q: You're a sociologist studying whether grocery prices are different in the inner cities than they are…

A: Null hypothesis: H0:The average inner city prices are equal to suburban average prices. Alternative…

Q: Q5A A box contains 68 red balls, 80 white balls, and 55 blue balls. (a) If one ball is drawn from…

A: The objective of the question is to find the probability of certain events when balls are drawn from…

Q: six students a, b, c, d, e, f are to give speeches to the class. the order of speaking is determined…

A: (a) The number of ways six students speak in the class is 6! ways. The student E speak first means…

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

A: Farmula used  nCr=n!/(r!(n-r)!) r!=r(r-1)(r-2)x...x3x2x1

Q: Sarah has two tests at school next week, a math test and a physics test. Let A represent the event…

A: According to the provided information, P(A)=0.30 and P(A AND B)=0.21,

Q: If A and B are events with P(A)=0.6, P(A OR B)=0.98, P(A AND B)=0.02, find P(B).

A:

Q: A bag contains 4 Milky Way bars and 5 Snickers bars. Jerod picks a bar at random from the bag and…

A: Given information: A bag contains 4 Milky Way bars and 5 snickers bars. Total number of bars is…

Q: You have read 200 of the 400 novels in your home, but your sister Roslyn has read 100, of which only…

A: Solution-: We want to find the following (a) You have read 200 of the 400 novels in your home, but…

Q: Decide whether the events are disjoint. Being a college graduate and being male Are the events…

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Q: You are playing a game of ring toss. There are 60 bottles set up in 6 rows of 10. You have 3 rings…

A: Let the random variable X denote the number of rings you get around the neck of the bottles. You…

Q: A chorus consisted of b boys and g girls. After auditions, the director of the chorus added 2 more…

A: The chances of occurrence of an event is called probability. The probability of an event is computed…

Q: Number plates in an Arab country consist of 3 letters (chosen from a specified set of 20 letters…

A:

Q: Based on a survey, assume that 37% of consumers are comfortable having drones deliver their…

A: Suppose a random variable x, defines that the number of consumers who are comfortable having drones…

Q: Steve has 12 biscuits in a tin. There are 5 digestive and 7 chocolate biscuits. Steve takes two…

A: Given that, Total number of biscuits = 12 5 digestive biscuits and 7 chocolate biscuits We to find…

Q: In each of Exercises, decide whether or not the two events in question are independent or whether it…

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Q: Determine if events [A] and [B] are independe P(A) - P(B)- 3 P(A and B) 10 3 25 Answer: 1 P(A and B)…

A: if events [A] and [b] are independentP(A and B)=P(A).P(B)

Q: Statistics grades: In a statistics class of 39 students, there were 11 men and 28 women. Three of…

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Q: Consider, If A and B are independent events, P(A)=0.26 and P(B)=0.76, Find: 1. P(A n B) 2. P(A| B)…

A: Given: P(A)=0.26  P(B)=0.76

Q: If two events A and B with P(A) = 0.51, P(B) = 0.28 and P(A or B) = 0.79 then, A and B are

A: GivenP(A)=0.51P(B)=0.28P(A or B)=0.79

Q: 65% OF A FIRMS EMPLOYES ARE FEMALE 42% of the firms employees are female office workers. what…

A: Given Information 65% OF A FIRMS EMPLOYES ARE FEMALE 42% of the firms employees are female office…

Q: A sample of 366 IPhone apps was selected. Find the compliments of the following events. Exactly 35…

A: Exactly 35 of the iPhone apps have over 100,000 downloads.

Q: The events A and B are mutually exclusive. If P(A) = 0.3 and P(B) = 0.6, what is P(A or B)? O A. 0.9…

A: Given Data: P(A)=0.3 P(B)=0.6   A and B are mutually exclusive events

Q: Q5A A box contains 68 red balls, 80 white balls, and 55 blue balls. (a) If one ball is drawn from…

A: The objective of the question is to find the probability of certain events when balls are drawn from…

Q: In example,  A and B are two independent events with P (A) = 0.50 and P (B) = 0.20. Count it for  P…

A: P(A) and P(B) = P(A x B) Thus P(A×B)=0.50×0.20=0.1

Q: Mike Danes has been delayed in going to the annual sales event at one of his favorite apparel…

A: Solution:-To find the probabilities P(A), P(Ac), and P(B), we can use the given information about…

Q: Q:A bag contains 5 red balls, 88 white balls,4 green balls and 7 black balls. If one ball is drawn…

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Q: A professor grades homework by randomly choosing 6 out of 12 homework problems to grade. (a) How…

A: