There are 34 juniors and 45 seniors in the auditorium. After x juniors and x+5 seniors left the auditorium, the probability of selecting a junior at random becomes 2/5. Find the value of x. Your answer

Q: Using the table, find the probability of a score less than z = +.88. Write out your answer using all…

A: In a normal distribution Z score is the distance of a data point from its mean in terms of Standard…

Q: The probability that a bachelor's degree recipient in 2006 majored in biomedical science is 23 Find…

A: Let E denote the probability of occurring an event. Let EC denote the compliment to the probability…

Q: Florence runs a day care centre. Of the last 15 children to enrol at the day care centre, 3 of them…

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Q: The probability of successfully passing the drivers' test is 75%. What is the probability that it…

A: It is given that the probability of successfully passing the drivers' test is 75%. That is 0.75.…

Q: Find the probability of drawing in order, the two through the queen of spades from an ordinary deck…

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Q: In the past, it had a probability of 0.68 success in any attempt to make a call on the telephone.…

A: Let X be the random variable from binomial distribution with probability of success (p)=0.68 and…

Q: Richard has been given a 6-question multiple-choice quiz in his history class. Each question has…

A: Here the given information is Richard has been given a 6-question multiple-choice quiz in his…

Q: Find the probability of selecting someone who uses drugs. Round to 3 decimal places

A: Positive test resultsNegative test resultsSubjects uses drugs455Subjects does not uses drugs25480

Q: A couple plans to have 4 children. Find the probability of getting exactly 1 girl.

A: The objective of this question is to find the probability of a couple having exactly 1 girl out of 4…

Q: There are 5 marbles in a jar.  They each have a number.  The numbers range from 1 – 5. Write a…

A: Given: 5 marbles in jar Numbered from 1 to 5

Q: A coin is tossed 2 times. Find the probability of head followed by tail.

A: Given :  A coin is tossed 2 times. The number of outcomes = 22 = 4 The possible outcomes are {HH,…

Q: exactly twice to pass the course

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Q: What is the probability that he will pass the exam, if the passing rate is 60%.

A: here given ,  exam is multiple choices , each question have 4 choices  p = probability of correct…

Q: A golfer putts the ball into the hole 48.7% of the time (if within 10 feet of the hole). Find the…

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Q: If the probability that the Mets will win a baseball game is 30%, find the probability that the Mets…

A: Given; P(win)=30%=0.30 Therefore, the probability that the Mets will not win is-

Q: If the probability of having rain tomorrow is 40%, what is the probability of not having rain…

A: It is given that  P( rain tomorrow ) = 40%

Q: bag contains 4 red chips, 5 blue chips, and 3 green chips. If Susie selects a chip from the bag,…

A: Total chips=4(red)+5(blue)+3(green)=12

Q: The lacrosse team has a 55% chance of winning its upcoming games. Find the probability of them…

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Q: 4% of visitors make donations. on a certain day, the museum has 175 visitors. find the expected…

A: The expected number of donations is obtained below as follows:   The conditions for the normal…

Q: If the probability that the Yankees will win a baseball game is 60%, find the probability that the…

A: The probability that Yankees will win a baseball game is 60%, that is PWinning=0.60.

Q: Todd and Tiff both train pets. Todd trains 30% of pets and Tiff trains 70% of pets. Todd’s pets are…

A: Given that P(Todd trains)=0.30 P(Tiff trains)=0.70 P(female| Todd) =0.55 P(female| Tiff) =0.65

Q: he probability that a junior will go to prom is 0.70. The probability a junior will go to prom and…

A: Given, The probability that a junior will go to prom=P(prom) =0.70 The probability a junior will go…

Q: Answer and explain the steps by steps procedure of the solution. You roll a fair die twice. What is…

A: Given : You roll a fair die twice. What is the probability of rolling a 3 on the first roll and an…

Q: The probability that it will rain in a city is 0.1. Find the probability that it will rain on two…

A: Given that the probability that it will rain in a city is 0.1. Two consecutive days are independent…

Q: You buy a laptop and paid $850. The probability of it breaking in the warranty period is 4% and the…

A: Introduction: Probability is a discipline of mathematics concerned with numerical explanations of…

Q: Solve for the probability of each event. Write your answers as a reduced fraction. At a local high…

A: Let S=students speaks spanishE=students speaks englishP(E∩S)=0.4P(E)=0.7

Q: High school seniors who are accepted to TCNJ have a 60% yield rate, meaning that 60% of accepted…

A: Given information, the percentage of accepted students decide to attend TCNJ is 60% and there are 3…

Q: In a poker hand Consisting of the probability of 5 5 Card, find (a) Two 1O's 4 hearts and one club…

A: a) In a deck of 52 cards there are four 10'sAnd (52-4)=48 other cards We can draw two 10's in 4C2=6…

Q: The probability that it will rain in a city is 0.1. Find the probability that it will rain on a…

A: Given data: The probability that it will rain in a city is P(R)=0.1. The expression for the…

Q: Find the probability of getting five multiple-choice questions answered correctly, if for each…

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Q: available so that the probability of none of the patients of the hospital turned away due to lack of…

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Q: A school newpaper reporter decides to randomly survey 10 students to see if they will attend Tet…

A: Sample size 25% of students attend Tet festivities.

Q: Allie plays on the varsity basketball team and makes 79% of her free throws. If she takes 12 shots,…

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Q: steps pl

A: The total number of balls are 4 where, 1 green ball. 1 red ball. 1 yellow ball. 1 white ball. It…