4. In a single throw of pair of coins, what is the probability that only one head will appear? a. b. d. 9isw 5. In a single throw of a pair of dice, how many sample point(s) will have a sum of 12? а. 0 b. 1 с. 2 d. 3 6. Which graph shows the probability distribution of a random variable where the probabilities (y-axis) of the sample points (x-axis) are represents by vertical bars. a. Bar graph b. Frequency polygon c. Probability histogram d. Scatter graph 7. Which function assigns a probability value to a discrete random variable and is defined by a discrete probability distribution? a. Probability mass function b. Density function c. Discrete function d. Function of x and y

Q: 5.  Roll two fair three-sided dice.  One die is red and the other is blue.  Let X be the outcome on…

A: Given that roll two fair three-sided dice. One die is red and the other is blue.  Let X be the…

Q: 9. Suppose that a grocery store purchases 5 cartons of skim milk at the wholesale price of $1.20 per…

A: For the distribution of the number of cartons that are sold from this lot is given as…

Q: 4. A game has 15 balls for each of the letters B, I, N, G, and O. The table shows the results of…

A: Given Data : A game has 15 balls with letters B, I, N, G and O To Find : Which letter is the…

Q: Types UI would be involved in at least one collision during any one-year period. The results of the…

A: Given that a driver has been involved in at least one collision in the past year, the probability…

Q: 4. If the king's 50 knights are all randomly assigned a sword, and the 50 swords in the king's…

A:

Q: A project's profit (in thousands), is a random variable with normal distribution. The variance equal…

A: Given information: A project's profit is a random variable with normal distribution.  Let us denote…

Q: . A shipment of parts contains 120 items of which 10 are defective. wo of these items are randomly…

A: Given that  Total item=120 Defective item=10 2 item are chosen at random

Q: The distribution of blood types for 100 Americans is listed in the table. If one donor is selected…

A: Given info: Here, n=100 and number of persons with A+ blood type is , x = 34.

Q: For a school health project, Tim asked 128 people whether o missing from the diagram. Healthy Diet…

A: Given that:     Total number of people surveyed=128

Q: 4. A talk radio station has four telephone lines. If the host is unable to talk (i.e., during a…

A:

Q: 4. Suppose that 15% of the fields in a given agricultural area are infested with the sweet potato…

A: 15% of the fields are infested with the sweet potato.The number of fields selected for Whitefly is…

Q: 2. Distribution of 80 patients at the chest department of Jazan hospital in May 2020 according to…

A: The total number of patients is 80.

Q: 14. Thirty percent of law students who sit for a bar examination pass it the first time. From the…

A: Note: Hi there! Thank you for posting the question. As your question has 2 different questions, we…

Q: Q2. Identify the Incorrect statement. In a Binomial Distribution each trial: A. Has the same 2…

A: we know; in a binomial distribution- 1. each trials are independent. 2. each trials has only 2…

Q: If the probability that a patient experiences postsurgical shock following a certain surgical…

A: Givenp=0.6n=12x~Binomial(n=12,p=0.6)P(X=x)=Cxn×px×(1-p)n-x   ; x=0,1,...,n

Q: . A case of softdrinks has 12 bottles, three of which contain less than what is labeled per bottle…

A: Given problem is hypergeometric distribution Let X: No. of underfilled bottles N=No. of element in…

Q: 20. The table represents the results in which 200 people were asked their means of travel to work.…

A: The table shows the results in which 200 people were asked their means of travel to work.

Q: 3. A phenomenon is observed many, many times under identical conditions. The proportion of times a…

A: Here use basic definition of statical terms.

Q: 15. If 4% of the total output of panels are substandard, find the probability of obtaining 0, 1,2,…

A:

Q: 2. One bag contains four white balls and three black balls, and a second bag contains three white…

A: Given One bag contains= 4 white balls and 3 black balls, second bag = 3 white balls and 5 black…

Q: 10. Data from the FBI revealed that of all the people arrested in the U.S. in 2020, 73% of them were…

A: To find: a) The probability that someone who was arrested is not a juvenile b) The probability that…

Q: 2. With the same coin, give the probability distribution for the number of heads possible in 3…

A: The total possible number of outcomes when you draw a coin 3 times is 23 = 8  List the total…

Q: 3. A grocery store purchases melons from two distributors, J and K. Distributor J provides melons…

A: a) Distributor J : Mean , μ = 133 Standard deviation , σ = 5 We have to calculate :  P⁡(X>137)…

Q: P-Value approoach. 9) Smith is a weld inspector at a shipyard. He knows from keeping track of good…

A:

Q: 2. An urn contains an urn containing 3 blue balls and 2 red balls. Balls are removed from the urn…

A: We will define X as the number of extractions before first red ball shows up. There can be 4…

Q: A pollster asked 100 people “If money was not a factor, how many children would you like to have?”…

A:

Q: Suppose that 70% of people walking down a road are wearing a mask. If 10 people are selected…

A: Let X :  people walking down a road are wearing a mask X ~ Binomial ( n=10, p=0.70) And we have to…

Q: 20.  In a large shipping company, 70% of packages arrive to their destination on time.  If 9…

A: Solution Let X : packages arrive to their destination on time  And X ~ Binomial (n=9, p=0.70) Ans we…

Q: Suppose that the true proportion of households with at least one car is T = .80. If a random sample…

A: Assume that π as the true proportion of households with at least one car.

Q: There are fifteen students writing a Statistics exam. What is the probability of correctly…

A:

Q: The given table classifies auto accidents by survival status (S = survived, D= died) and seat belt…

A:

Q: A. What kind of distribution does X have? B. What is the probability that one passenger arrives in a…

A:

Q: Q.4. A student when asked about her order preference at the University Cafeteria she said 55% of the…

A: Solution : Given : Probability that she orders Grilled Burger = 0.55            Probability that she…

Q: In statistics a random variable is one that will take a value not known now with certainty. Which of…

A: A random variable is a function whose value takes several values with same or different…

Q: ..s) A researcher studied the relationship between coffee drinking and heart attacks in young women.…

A: Find ( A ) P ( heavy and heart attack )  =? (  B ) p ( heart attack / heavy )  =?

Q: The average time spent by a car salesman each weekend is normally distributed with a mean of 12.5 hr…

A: Given Information: Meanμ=12.5hrS.Dσ=3hr

Q: When a hunter aims at a helpless rabbit, he has 1 chance out of 10 to hit it. 1. Two hunters aim…

A: When a hunter aims at a helpless rabbit , he has 1 chance out of 10 to hit it. So, probability that…

Q: 9. If a family has three children, what is the probability that there are two boys and one girl (in…

A: Answer Correct option is 37.5%