A sixth grade class has 30 students. 15 of those students play baseball, 18 play basketball, and 10 play both baseball and basketball. What is the probability that a student chosen at random will play either baseball or basketball?

Q: This problem involves students who have taken Calculus in high school. Assume that 15 percent of…

A: Probability quantifies the chances of happening an event. The probability values always lie in the…

Q: Three percent of the students at Lincoln High are in orchestra, 5% are in band, and 1% are in both.…

A: It is given that P( orchestra ) = 3% = 0.03P( band ) = 5% = 0.05P( orchestra and band ) = 1% = 0.01

Q: Of all college freshman who try out for the track team, the coach Will only accept 30%. If 15…

A: Let X denote the number of freshman try out for the track team and it follows binomial distribution…

Q: In a survey in a rural area, it is found that 32% of families from a barrio owns a milking cow and…

A: Given: Family owns a milking cow, P(A)=0.32. Family owns a poultry, P(B)=0.41. Family owns both,…

Q: an astronaut training session includes 6 women and 10 men. a crew of four astronauts is randomly…

A: Given that  an astronaut training session includes 6 women and 10 men. a crew of four astronauts is…

Q: You own 17 CDs. You want to randomly arrange 6 of them in a CD rack. What is the probability that…

A: The total number of CDs. are n=17. The number of CDs. needs to arrange r=6

Q: Suppose that about 85% of graduating students attend their graduation. A group of 21 graduating…

A: Let the R.V X denotes the number of graduating students attend their graduation and it follows the…

Q: 57% of the senior class is female. Of the females, 14% are school athletes. What is the probability…

A: From the given information, the percentage of senior class is female is 57%. P(school athletes|…

Q: A set of coins is flipped. 25% of the coin set has a 20% chance of landing on heads. The other 75%…

A: Given that the set of coins are divided into two types.

Q: There are 10 balls in a bag: 3 red, 4 blue, 2 green, and 1 yellow. Part C: If you draw a yellow…

A: C. There are 3 red balls, 4 blue balls, 2 green balls and 1 yellow ball.

Q: Eight percent of Americans have a master’s degree. If five Americans are selected at random, what is…

A:

Q: According to a recent survey approximately 68% of students at this campus are women. A group of 20…

A: Solution: Let X be the number of students are women and n be the sample of students. From the given…

Q: 63% of all students at a college still need to take another math class. If 50 students are randomly…

A: Since it is a multiple part question; only 1st 3 parts are answered.

Q: thirteen percent of adults are left handed. in a group of 30 adults, what is the probability of…

A: Let X=the number of lefty n=number of trials= 30 p=probability of success= 13%=0.13 X follows a…

Q: Eight percent of Americans have a master’s degree. If five Americans are selected at random, what is…

A: Let X represent random variable   n=5 p=0.08   X~ binomial (5, 0.08)

Q: On a grocery store shelf, there are 16 loaves of white bread and 15 loaves of wheat bread. A shopper…

A: The objective of this question is to find the probability that a shopper randomly selects a loaf of…

Q: A teacher of a class of 25 students is trying to decide whether her class will play soccer, or…

A:

Q: Of 1100 students at Brown High School, 450 attended the first school dance of the year. Only 233…

A: Let define the events: A = Students attended the first school dance of the year B = Students…

Q: This problem involves students who have taken Calculus in high school. Assume that 25 percent of…

A:

Q: Five hundred people have purchased raffle tickets. What is the probability that he or she will not…

A:

Q: A class consists of 23 women and 31 men. If a student is randomly selected, What is the probability…

A: Given data, No of Men=31 No of women=23 Total no of students=23+31= 54 P(Student is man)=?

Q: You want to purchase a DVD drive for your laptop computer. Assume that 55 ​% of the drives are made…

A:

Q: Seventeen percent of U.S. residents are in their twenties. Consider a group of seven U.S. residents…

A: Given information:Population proportion (p) = 17%                                         p =…

Q: A financial services committee had 60 ​members, of which 10 were women. If 9 members are selected…

A:

Q: 0% of the senior class is female. Of the females, 20% are school athletes. What is the probability…

A: Probability is defined as the sum of favorable ways of an events divided by the total number of…

Q: The acts in a talent competition consist of 4 instrumentalists, 10 singers, and 6 dancers. If the…

A: Given that, There are 4 instrumentalists There are 10 singers There are 6 dancers. The probability…

Q: Ninety percent of the graduates of State University who apply to a particular medical school are…

A: The objective of this question is to find the probability that only four out of six applicants from…

Q: A population is composed of 60% men and 40% women. It is known that 75% of the men and 45% women…

A: Define event M as the selected person is Men. Define event F as the selected person is Women. Define…

Q: Three percent of the students at Lincoln High are in orchestra, 5% are in band, and 1% are in both.…

A: The probability of the union of two events is: P(E1∪E2)=P(E1)+P(E2)-P(E1∩E2) Where, P(E1) is the…

Q: his problem involves students who have taken Calculus in high school. Assume that 10 percent of…

A: Let define the events A = Students who have taken Calculus in high school A= Students who did not…

Q: This problem involves students who have taken Calculus in high school. Assume that 35 percent of…

A: Solution: Let A be the event that students have taken calculus in high school and B be the event…

Q: 75% of American adults received a speeding ticket. If a random sample of 20 adults is selected, find…

A:

Q: You own 21 CDs. You want to randomly arrange 8 of them in a CD rack. What is the probability that…

A: @

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.