A school newspaper reporter decides to randomly survey 13 students to see if they will attend Tet festivities this year. Based on past years she knows that 20% of the students attend Tet festivities. We are interested in the number of the students who will attend festivities.  1. Find the probability that at most 3 students will attend.  Find the probability that more than 2 students will attend.

Q: In a survey of 131 people 115 expressed support for the governor. Find p hat and a hat where p hat…

A: Given data, n=131 x=115 p=?

Q: Sixty percent of consumers prefer to purchase electronics online. You randomly select 8 consumers.…

A: Let the R.V X denotes the number of consumers prefer to purchase electronics online  and it follows…

Q: The probability that a lab passes a health and safety inspection is 97%.  A health and safety…

A: Let X: number of labs.X has binomial distribution because trials are finite, trials are independent…

Q: The probability that a person owns a video game system is 70%. The probability of owning a video…

A: Given : The probability that a person owns a video game system is 70% P(Video game) = 0.7 The…

Q: n order to qualify for the next round, soccer team has to get at least 4 points in the next 2 games.…

A: The requirement of points for qualify in the next round is 4 points. Points on victory is 3 Points…

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: LeBron James makes 73% of his freethrow attempts. Calculate the probability that LeBron makes…

A: Introduction: A Binomial is a type of distribution which has two possible outcomes. i.e., either…

Q: Your favorite basketball player makes 79% of his free-throw shots. The probability that he does NOT…

A: Given that the basketball player makes 79% of his free-throw shots.so, P(he makes a free-throw…

Q: A bowl of candy contains 22 toffees, 26 mints, 41 jujubes, and 58 jellybeans. Richard picks a candy…

A:

Q: Ferry 7 13 16 11 62 Rental Car Train 8 45

A: A Venn diagram for  travelers are given.The aim is to find the probability that a selected traveler…

Q: 88% of adults are high school graduates.  If a random sample of 10 adults is chosen, find the…

A: p=0.88sample size(n)=10Let "x" no. of adults are graduatesx~Binomial(n=10,p=0.88)P(X=x)=

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: 52% of dogs enjoy biting the mailman.  Select 5 random dogs.  Find the probability at least 1 enjoys…

A:

Q: In a recent survey, 303 out of 350 residents of Salem, MA said they are planning on passing candy…

A: here given ,  303 out of 350 residents of Salem, MA said they are planning on passing candy during…

Q: A bag contains 9 red chips, 7 blue chips, and 8 green chips. Bobby selects two chips from the bag…

A:

Q: basketball player makes foul shots 75 % of the time. If she takes 9 shots, what is the probability…

A:

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: An office has 7 men and 6 women employees.  Three employees are picked at random for a trip to…

A: 7 men 6 women  ____________ 13 total employees select 3 at random  P(2 males and 1 female) = ?

Q: A test consists of 10 questions.  The probability of guessing a correct answer is 0.2 and to pass…

A: Given sample size(n)=10

Q: Bonnie and Kelly are part of a group going to a basketball game. The group has two court-side seats,…

A: Given: court-side seats = 2 upper-level seats = 5 seats in general admission = 4 Total seats =…

Q: You order 13 pizzas, five that are cheese and eight that are mushroom. They arenot labelled on their…

A: There are total 13 boxes.  We can pick any 5 boxes from those 13 boxes in 13C5 ways.    If we want…

Q: What is the probability he will score for the first time on his fifth shot? What is the probability…

A: Given Data Probability of success,p = 0.18 )

Q: A poll showed that 50% of Americans say they believe that life exists elsewhere in the galaxy. What…

A: here given , A poll showed that 50% of Americans say they believe that life exists elsewhere in the…

Q: A food company conducted a survey and found that 4 out of 20 people had french toast for breakfast…

A: Given 4 people had french toast out of 20 people

Q: probability of observing at least 30 heads in 100 tosses? . Try computing the answer for a smaller…

A:

Q: c. Find the probability that a patient randomly selected from the study had cancer OR was on the…

A: (c )   Obtain the probability that a patient randomly selected from the study had cancer OR was on…

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: Your favorite basketball player is a 90% free throw shooter. Find the probability (as a percent)…

A:

Q: A student takes a true-false test but did not study and randomly guesses each answer. There are 20…

A:

Q: Find the probability distribution for the number of dance collections when 3 collections are…

A: Let X be a random variable which represents the number of dance collections when 3 collections are…

Q: The picture hows a family that has had nine girls in a row. Find the probability of this occurrence.

A: Given: Number of girls in a family = 9 Assuming that no other child is born other than 9. Also,…

Q: Marco is a basketball player who succeeds 90% of his free throws. What is the probability that he…

A: the probability that Marco succeeds in minus 7 of his next 10 free throws, you can use the binomial…

Q: If a Basketball player makes 76% of their free throws. What is the probability that they make at…

A:

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…

Q: A basketball player has a free throw percentage of 95%95%. What is the probability she misses at…

A: Binomial distribution:The binomial distribution gives the probability of number of successes out of…

Q: Find the probability of winning a lottery with the following. Select the six winning number from…

A: Find the probability of winning a lottery with the following. Select the six winning number from…

Q: You randomly select one card from a​ 52-card deck. Find the probability of selecting the king of…

A: It is known that Number of cards in a deck = 52 Number of king of diamonds = 1 Number of two of…

Q: What is the probability that she will not have to stop at the light all next week?

A: It is given that the probability that the light will be red is 65% = 0.65

Q: The probability that a famous basketball player will score a basket on the free throw line in 60%.…

A: Here, n = 13 and p = 0.60.

Estimation

A new framework of data analysis where the new statistical methods are used for interpreting the results and analyzing the data is known as estimation in statistics.