In the game of roulette a metal ball is dropped into a spinning wheel having 38compartments, 18 of which are red, 18 are black, and two are green. Suppose we spinthe wheel ten consecutive times and let a random variable X be the number of timesthe metal ball will land on a red color.a. Construct the probability distribution of X.

Q: Six new graduates are hired by an engineering firm. Each is assigned at random to one of six…

A:

Q: There are currently 18 pit bulls at the pound. Of the 18 pit bulls, four have attacked another dog…

A: Let us denote X=the number of bulls who attacked another dog last year Given that 4 bulls have…

Q: a. A manufacturing company's switch board receive an average of 3 incoming calls per minute. Find…

A: Poisson distribution is one of the discrete distributions and it has one parameter known to be a…

Q: 100 employees of a company are asked how they get to work and whether they work full time or part…

A: Given that there are 100 employees Public transportation :10 full time & 9 part time. Bicycle :…

Q: Find the probability that exactly 2 flights had delayed take-offs.

A: At a certain airport, 10% of flights experienced delayed take-offs because of airport operations. 15…

Q: A random student will be selected from the College of Engineering. The number of male (B) and female…

A:

Q: The probability that exactly 2 of the rocks are sedimentary is

A:

Q: The distribution of blood types for a certain population is 35% type A , 10% type B, 50% type O and…

A: We want to find probability by using multinomial.

Q: 72% of all violent felons in the prison system are repeat offenders. If 43 violent felons are…

A: Consider X denotes, violent felons in the prison system who are repeat offenders.Here, n = 43 and p…

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

A:

Q: Suppose a coin is tossed. Let X be the random variable representing the number of heads. Find the…

A: Given: A coin is tossed. X is the random variable representing the number of heads. Possible…

Q: 3. A box holds 3 red and 5 blue marbles. If 2 marbles are to be drawn at random with replacement and…

A: Given: There are 3 red and 5 blue marbles 2 marbles are drawn at a random with replacement. X : the…

Q: Pip is the proud owner of an eclectic bow tie collection. He keeps track of how many bow ties he…

A: GivenThe probability that a bow tie is designed with zigzags = 0.5The probability that a bow tie is…

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: A golf ball is selected at random from a golf bag. If the golf bag contains 6 type A​ balls, 4 type…

A: Total number of balls=6+4+3=13

Q: In a statistics class of 43 students, there were 15 men and  28 women. Five of the men and six of…

A:

Q: college students were surveyed to check what they favored between basketball, football or baseball.…

A: Given,   Basket ball Foot ball Base ball Total Male 22 40 15 77 Female 45 12 16 73 Total 67…

Q: the 195 students in the senior class, 104 study Spanish and 85 study French, with 12 studying both…

A: Given query is to find the Indicated probability.

Q: Three cards are drawn in succession from a deck without replacement. Find the probability…

A:

Q: Word Scramble : Costs 10 points. Total 4 letters which are L U C K . Depending on how many letters…

A:

Q: 58% of all violent felons in the prison system are repeat offenders. If 43 violent felons are…

A: Given that, p=58%=0.58 q=1-p=0.42 n=43

Q: The probability that an adult possesses a credit card is .65. A researcher selects two adults at…

A: P(posseses credit card ) = p = 0.65 So q  =1-p = 0.35 Select two at random

Q: Consider a group of study subjects with 12 males and 8 females. If we randomly select two different…

A:

Q: A math class consists of 25 students, 14 female and 11 male. Three students are selected at random…

A: From the provided information, Total students = 25 Male = 11 Female = 14

Q: The following table shows 50 students classified according to the grades obtained in Statistics. If…

A:

Q: A golf ball is selected at random from a golf bag. If the golf bag contains 8 type A​ balls, 5…

A: No.of type A balls =  8 No.of type B balls = 5 No.of type C balls = 6 Total number of balls =19…

Q: According to a recent survey, 31 percent of the residents of a certain state who are age 25 years or…

A: Given: n=50p=0.31 Let B represent the number in the sample who have a bachelor’s degree.  The…

Q: Between 7 and 12 (including 7 and 12) of them major in STEM.

A: Given, Number of College Students are selected = n = 39  Probability of successes i.e students major…

Q: There are 25 marbles in an​ urn: 12 are green and 13 are yellow. You reach into the urn and randomly…

A: Given, Total number of marble in the urn=25 Total number of green marble in the urn=12 Total number…

2-Proportion Test

In a 2-proportion test, two separate proportions are measured at the same time, and their similarity is evaluated. It is also known as a 2-proportion z-test, and a comparison of two different proportions is done in this method.