Probability Question
Q: Please answer step by step. Thank you! Decide the number of possibilities of the given situation: a)...
A: As per given above A board of directors is to be chosen from a pool of 38 candidates. The board nee...
Q: 00:00 Meghan has her own business. When she makes money, it is called income, When she spends money,...
A: Income is a positive value because it is adding to the amount we have. Expense is opposite of income...
Q: Enter the ordered pair A in the boxes
A: See from the graph that, point A is located at 1.5 units left from the y axis. Thus, x coordinate of...
Q: Given a group of students: G={Allen, Brenda, Chad, Dorothy, Eric} or G {A, B, C, D, E}, count the di...
A: Allen=BoyBrenda=girlChad=boyDorothy=girlEric=boySo the set for boy={A, C, E} and the set for girl={B...
Q: Test the claim that the proportion of people who own cats is larger than 40% at the 0.1 significance...
A: Null Hypothesis: H0:p<=0.40 Alternative Hypothesis: H1:p>0.40 Given information: n=500 p^=0.46...
Q: 3. (a) A Markov process with 2 states is used to model the weather in a certain town. State 1 corres...
A: Part (i) Th transition matrix for the Markov process is, P=0.70.40.30.6 Given that today is rainy, t...
Q: A matched pairs experiment compares the taste of instant coffee with fresh-brewed coffee. Each subje...
A: Let p be the proportion of the population that prefers fresh-brewed coffee. a. The sample proportion...
Q: A poll taken in Massachusetts in October 2012 showed Obama leading Romney by 60% to 40% in the U.S. ...
A: Given that I predicted a victory for Obama. This means the probability that I will win= 60%=0.60 So ...
Q: On a random cross medical checkup in Muscat airport, the statistic shows 45% of the travelers are fo...
A: Given: P (A) = 0.45 P (B) = 0.35 P (C) = 0.20 P (I |A) = 0.06 P (I| B) = 0.07 P (I|C) = 0.05 A denot...
Q: If a confidence interval for the mean is (38≤μ≤89)(38≤μ≤89),a) What is the point estimate? b) What...
A: Given, Lower bound = 38 Upper bound = 89
Q: 9. It snows in Greenland an average of once every 25 days, and when it does, glaciers have a 20% cha...
A: Let us denote:A=the event that it snowsB=the event that the glacier growsGiven that P(A)=125, P(B|A)...
Q: There are three similar-looking bowls: in the 1st - 4 white balls and 7 black ones, in the 2nd - onl...
A: Let B1 be the event of ball drawn from bowl 1 Let B2 be the event of ball drawn from bowl 2 Let B3 b...
Q: Detailed please
A: xbar = 11810 mu = 12500 n = 31 sigma = 1800
Q: If you randomly select a card from a well-shuffled standard deck of 52 cards, what is the probabilit...
A: Define the event E as, the randomly chosen card is a 4. The number of 4 cards in the 52 card deck is...
Q: Suppose A is a set with 6 elements. Answer the following questions: 1. How many subsets of exactl...
A: In a set the order does not matter. So we can use the combination method. 1) We can pick 4 elements...
Q: 2. Let X be a random variable with the Poisson distribution, parameter 2. Show that, for w = 1, 2, 3...
A: X~Poisson(λ) Therefore P(X=x)=e-λλxx! ; x=0,1,2,… PX≥w=∑i=w∞P(X=i)=∑i=w∞e-λλii!=e-λ∑i=0∞e-λλii!-∑i=0...
Q: 3.To obtain an estimate of the proportion of 'full time' university students who have a part time jo...
A: Given that:Variance=σ2=4standard deviation=σ=4=2E=margin of error=0.1z=critical value for 95% confid...
Q: A single card is drawn from a standard deck of 52 cards. What are the odds in favor of drawing an od...
A: In a standard deck of cards, there are 13 ordinals: 9 numbered cards 2-10, plus cards Jack, Queen, K...
Q: A box contains 8 white balls, 4 black balls, and 8 red balls. a) How many red balls must...
A: It is given that a box contains 8 white balls, 4 black balls and 8 red balls.
Q: According to National Geographic, normal rain water is slightly acid with a pH of 5.6. Acid rain, ca...
A: Null and alternative hypothesis: H0: μ = 5.6Ha: μ < 5.6
Q: You want to thank your professors this year by giving them some cookies. You have 5 professors and 1...
A: Given: There are 15 cookies. There are 5 professors among whom the cookies have to be distributed....
Q: Four cards are randomly selected from a standard deck of 52 playing cards WITHOUT REPLACEMENT. Find ...
A: We can pick 4 cards from 52 cards in 52C4=270725 waysa) We can pick 4 hearts in 13C4=715 ways.So the...
Q: June made an initial deposit of $7500 in an account for her son. Assuming an interest rate of 2% com...
A: Given that t=time=17 yearsr=interest rate=2%=0.02A=annuity=?n=number of times compounded in a year=4...
Q: The price of a bag of coffee beans, P, varies directly with the size, S, of the bag.If a 20 oz bag o...
A: Given that, the price of a bag of coffee beans, P, varies directly with size, S. P∝SP=kS Therefore, ...
Q: 29)The actual tracking weight of a stereo cartridge that is set to track at 3 g on a particular chan...
A: Use the form ∫-∞∞f(x)dx=1 to find the value of k. ∫24k1-(x-3)2dx=1kx-(x-3)3324=1k4-13-2-13=1k=34 The...
Q: It is known that 80% of the products on a production line are non-defective. Products are inspected ...
A: Let the number of failure be represented by X and P represents the failure. Probability of Success i...
Q: Use a Venn diagram to answer the question. A survey of a group of 109 tourists was taken in St. Lo...
A: Let us denote:A=Art MuseumZ=ZooG=Gateway ArchGiven that,n(G)=61, n(Z)=46, n(A∩Z∩G')=10, n(A∩G∩Z')=13...
Q: QUESTION 4 On a random cross medical checkup in Muscat airport, the statistic shows 45% of the trave...
A: Let us denote : D=the event that infacted by COVID-19Given that P(A)=45%=0.45, P(B)=35%=0.35, P(C)=2...
Q: Calculate the standard deviation ? of X for the probability distribution. (Round your answer to two ...
A: From the given information, x -20 -10 0 10 20 30 P(X=x) 0.1 0.1 0.1 0.3 0 0.4
Q: A random sample of size 40 is to be selected from a population that has a mean ? = 45 and a standard...
A: (d) Obtain the probability that this sample mean will be between 45 and 53. The probability that...
Q: 1. A standard piano keyboard has 88 different keys. Find the probability that a cat, jumping on 4 ke...
A: There are total 88 keys. So for each key there are 88 choices. The cat can pick 4 keys in 884 ways.T...
Q: Max Auto Sales is considering offering a special service contract that will cover the total cost of ...
A: Let X is the random variable presenting service cost. X~Normalμ,σ2=252
Q: Use the counting techniques from the last chapter. A bag contains three red marbles, three green one...
A: It is an important part of statistics. It is widely used.
Q: 3- I want solution of all subpart questions. Thanks
A: a) Question: We pick a person from the group of 30 students/family members. Find the probability o...
Q: 69. The following table summarizes the degrees conferred for a certain semester at ISU. Arts & Scien...
A: According to Bartleby guidelines, only three subparts of a question can be done at a time. Kindly po...
Q: According to the label, a can of soup holds an average of 306 grams, with a standard deviation of 4....
A: Given that the average is 306 grams and the standard deviation of 4.1 grams. That is, μ=306 and σ=4....
Q: Please answer step by step. Thank you! There are ten female board members and twenty male board memb...
A: Given, Female board members = 10 Male board members = 20
Q: Suppose Jon is taking a test with 10 true-false questions and 5 multiple choice questions with 4 cho...
A: (As per bartleby guidelines, for questions containing multiple subparts, only three subparts is to b...
Q: Find the conditional probability of the indicated event when two fair dice (one red and one green) a...
A: Given:- two fair dice (one red one green) are rolled . let A be the event that sum = 6 let B be th...
Q: A prize wheel ha sthe numbers 0 through 36 on equally spaced sectors. The wheel is spun and contesta...
A: Introduction: There are 37 sectors on the wheel, numbered 0, 1, 2, ..., 36.
Q: A random sample of 12 graduates of a certain secretarial school typed an average of 79 words per min...
A: Let us denote X= number of words typedGiven that X follows a normal distribution with mean=79 and s...
Q: Two coins are randomly drawn from a coin pouch. If there are 5 dimes, 2 nickels, and a quarter, how ...
A: As given there are 5 dimes, 2 nickels, and a quarter in a pouch. 1 nickel = 5 cents 1 dime = 10 cent...
Q: Please!! help me answering this practice question??
A: Since you have submitted two questions, we'll answer the first question. For the second question ple...
Q: The following table shows the parents jobs. Study the table and answer the following: Female Male En...
A: (a) Job Female (F) Engineer (E) 23 Teacher (T) 26 Police man (P) 8 Businessman (B) 12 ...
Q: Which of the following experiments does NOT have equally likely outcomes? Choose a number at random ...
A: From the provided information, There are equally likely outcomes of choosing a number from 1 to 7. T...
Q: Refer to a deck of fifty-two playing cards (jokers not allowed). (a) How many five-card poker hands ...
A: Total number of cards in the deck = 52 Number of aces in the deck = 4 Number of tens in the deck = 4...
Q: Find the P-value in a test of the claim that the mean IQ score of acupuncturists is equal to 100, gi...
A: From the provided information, The mean IQ score of acupuncturists = 100 The hypotheses can be const...
Q: In a certain year, 87% of all Caucasians in the U.S., 77% of all African-Americans, 77% of all Hispa...
A: Let Total no. of U.S. residents be 100. Total No. of Hispanic in U.S. =13% of U.S. residents =13100...
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