Probability Question
Q: According to a mashable.com post, time spent on Tumblr, a microblogging platform and social networki...
A: Consider X be the random variable defined as the time spent on Tumbler per visit, which is normally ...
Q: for 2 draws find: P(K, diamonds) with replacement P(hearts, hearts) without replacement
A: In standard deck of 52 cards, there are 4 kings (K) and 13 diamonds. The sampling is with replacemen...
Q: Can you please solve this question and show the steps
A: a. Finding the probability of getting 7:It is given that die is rolled one time.When a six sided die...
Q: Probability Question
A: a)Consider that f(x) is the probability density function.It is provided that
Q: Step 1: In designing a security system for its accounts, a bank asks each customer to choose a five-...
A: 1. The first digit can be filled in 9 ways because 0 is not possible as first digit as it will make ...
Q: Assume that the drawer contains 8 coins: 5 quarters, 2 dimes, and 1 nickels. One coin is randomly se...
A: The probability of selecting quarter is 5/8The probability of selecting dime is 2/8The probability o...
Q: You must type your answers as single fractions like 2/32/3 (you do not need to reduce). Suppose you...
A: The provided information is,
Q: Express the number in scientific notation. 0.17 = (Use scientific notation. Use the multiplication...
A: According to scientific notation any number is written from 1 to 10 and exponent to the base 10 is e...
Q: Refer to the first picture for assistant for question 1 and 2 on the second picture. Thanks in advan...
A: Given A coin is flipped four times in a row.Coin can have either Heads or Tails.When we flip the coi...
Q: x be a random variable representing dividend yield of bank stocks. We may assume that x has a normal...
A: According to the given question, x be a random variable representing dividend yield of bank stocks. ...
Q: 5.26 Newspaper sales You are the director of newspaper sales for the local paper. Each customer has ...
A: Note:Hey there! Thank you for posting the question. Since your question has more than 3 parts, accor...
Q: Please help me understand set theory.
A: The set theory is a mathematical theory which includes well-determined collections of elements/membe...
Q: Inductive or deductive reasoning? To find the perimeter P of a square with side of length s, I can u...
A: Theory:Deductive reasoning is the process by which one can reach a certain conclusion logically with...
Q: The chess clubs of two schools consist of, respectively, 8 and 9 players. Four members from each clu...
A: Introduction:The first school has 8 players in their chess club, out of which, 4 are to be selected....
Q: A fair coin is flipped six times. What is the probability that tails occurs exactly 6 times if it is...
A: Conditional rule:The formula for probability of A given B is,
Q: ou toss a pair of dice. (a) Determine the number of possible pairs of outcomes. (Recall that there a...
A: Tossing a pair of dice:The possible outcomes for tossing a pair of dice is as follows:
Q: If A and B are independent events, show that A' and B are also independent. [Hint: First estabblish ...
A: Independent events:If the events A and B are said to be independent then P (A and B) = P (A) × P (B)...
Q: P(56<X<68) assume that the random variable X is normally distributed with mean is 50 and stand...
A: The normal distribution:A continuous random variable X is said to follow normal distribution if the ...
Q: Alabama Arkansas Louisianasoybeans (s) soybeans (s) soybeans (s) peanuts (p) rice (r) sugarcane (n)c...
A: Formula:The smallest possible set including all the elements of a number of sets (3, in this case) i...
Q: The amount of soda in a 16-ounce can is normally distributed with a mean of 16 ounces and a standard...
A: The percentage of these cans will have less than 15.1 ounces is,
Q: A single, fair 6-sided die is tossed. Find the odds in favor of rolling a 2, 3, or 6
A: It is given that the die is faired and has 6 sides. Therefore all the 6 faces are equally likely to ...
Q: Step 1: Fill in the blank. You have a campus errand that will take only 15 minutes. The only parking...
A: Given DataThe time it will take for campus errand = 15 minutesTime duration for police checking = 1 ...
Q: Answer the 2 parts of the question attached as images.
A: Note:Hey there! Thank you for posting the question. However, since there are multiple questions, acc...
Q: A large waterfall is managed so that a minimum of 160,000 cubic feet of water per second (ft3/sec)...
A: Conversion:The time 24-hours can be converted into seconds as follows:
Q: One professor grades homework by randomly choosing 5 out of 14 homework problems to grade. (a) How m...
A: (a) The different groups of 5 problems can be chosen from the 14 problems is 2,002 ways and it is ca...
Q: Use the following results from a test for marijuana use, which is provided by a certain drug testin...
A: From the given information, there are 20 false positive results among 141 subjects with positive tes...
Q: Fill in the blank with an appropriate word, phrase, or symbol.With the quotient rule for exponents...
A:
Q: Convicted by mistake In criminal trials (e.g., murder, robbery, driving while impaired, etc.) in the...
A: Given DataProbability that defendant is convicted, given guilt is 0.95Probability that the defendant...
Q: Refer to the sample data for polygraph tests shown below. If one of the test subjects is randomly s...
A: To compute the required probability (of not lying)
Q: Evaulte the Expressions a) (2^5)^4= b) (2^4)^5=
A: The power rule of exponents say that to raise a power to a power, just multiply the exponents as sho...
Q: A fan of country music plans to make a custom CD with 12 of her 25 favorite songs. How many differen...
A: Given dataTotal songs N = 25 No of combinations for size 12 is given by
Q: A Bernoulli process has 4 trials and probability of success 0.31. Find the following probabilities. ...
A: The number of Bernoulli trials, n is 4 and the probability of success, p is 0.31.1.The number of fai...
Q: Perform the indicated operations and express your answer in decimal notation. 8.4×10^−5 over 4×10^−2
A: The value 8.4×10^-5 over 4×10^-2 is calculated by dividing 8.4×10^-5 by 4×10^-2.
Q: From the tree diagram find the following. (a) P(A n E) (b) Р(А) (c) P(AIE) А 0.2 0.4 0.2 0.4 C А 0.1...
A: From given tree diagram we can find all required probabilities.We will solve it step by step:
Q: An academic department with five faculty members narrowed its choice for department head to either c...
A: Number of ways to select the votes for B:There are 2 votes for B out of 5 votes. Thus, there are 5C2...
Q: DNA evidence compelling? DNA evidence can be extracted from biological traces such as blood, hair, a...
A: Given DataGiven that the person is innocent, probability that his or her DNA is matching = 0.000001G...
Q: 8.5.39 Question Help Five thousand tickets are sold at $1 each for a charity raffle. Tickets are to ...
A: Consider,Total number of tickets = 5000.Let X be the random variable for the amount won on a single ...
Q: A firm has two computer systems available for processing telephone orders. At any given time, system...
A: Independent Events:Two events are said to be independent if occurrence of one event does not affect ...
Q: Step 1 Exercise 29 gives a probability model for the grade of a randomly chosen student in Statistic...
A: If x represents values of the random variable X and p(x) represents the corresponding probability t...
Q: To win at LOTTO in one state, one must correctly select 6 numbers from a collection of 63 numbers ...
A: Here, the order in which the selection is made does not matter.The possible selection is,
Q: The expected number of defective parts produced on an assembly line per shift is 60 with a standard ...
A: z-scores:z-score is used to find the number of standard deviation 42 and 78 away from its mean. It i...
Q: conditional probability: a deck of cards a) P (2/diamonds) without replacement b) P(2/2) with replac...
A: We are given a deck of cards. And now we need to find the value of
Q: I have 1 gray female, 5 gray male, 2 white female, and 2 white male mice. A biologist chooses 2 rand...
A: From the given information, there are 1 grey female, 5 grey male, 2 white female and 2 white male mi...
Q: The Senate in a certain state is comprised of 53 Republicans, 44 Democrats, and 33 Independents. Ho...
A: The number of ways to select 33 Republicans is 53C33.The number of ways to select 22 Democrats is 44...
Q: A Bernoulli process has 6 trials and probability of success 0.39. Find the following probabilities. ...
A: As per norms , the first three questions are answered. To determine the required probabilities in a ...
Q: Let C and D be events such that Pr[C] =0.70.7, Pr[D] =0.50.5, and Pr [C ∪ D] =0.90.9. Find... P...
A: We are given that C and D be events such that P(C) = 0.7, P(D) = 0.5 and P(C ∪ D) = 0.9 .Before g...
Q: Three hundred consumers were surveyed about a new brand of snack food, Crunchicles. Their age groups...
A: As per the question, no of consumers who are in the age of 18-24 years of age who dislike crunchies ...
Q: Find P(A | E) and P(C | F) using the tree diagram below. (Round your answers to four decimal places....
A: Solution: We are given the below tree diagram:
Q: A company is hiring a chef, a prep and a waiter. 5 equally qualified applicants applied. John is one...
A: (a)The probability that he will be the Chef is,
Q: A jar contains 8 marbles numbered 1 through 8. An experiment consists of randomly selecting a marble...
A: It is provided that there are 8 marbles in a jar and a deck of 52 cards.Number of marbles which are ...
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