A bag contains 5 red marbles, 2 blue marbles, and 9 green marbles. If one marble is selected at random, determine the probability that it is blue. OA. OB. O C. O D. LES IN G 1 8 5 16 2 9 16

Q: Given that the mean μ = 20 and the standard deviation a = Type your answer.... 4, find P(x > 25).

A: Mean(μ)=20 standard deviation(σ)=4

Q: The probabilities that discipline officers will discover violations of the student handbook in a…

A: We have to find the standard deviation of the probability distribution

Q: You are dealt one card from a 52 card deck. Find the probability that you are not dealt an even…

A: Answer:- Total number of cards in a deck = 52  We know that, total number of even cards in a deck  =…

Q: Suppose A and B are two events, P(A)=0.36, P(B)=0.41 and P(A and B )=0.28 Find the P(A|B) Round…

A: We have given that. P(A) = 0.36, P(B) = 0.41 and P(A and B ) = 0.28

Q: tomorrow. Of the students who are ill today, 55% will still be ill tomorrow. What is the stochastic…

A: On given day, a student is either healthy or ill. Of the students who are healthy today, 95% will be…

Q: a) Find value of p. b) Find covariance matrix c) For vector x = A = (cov(X,X) cov(X,Y)) cov(Y,X)…

A: a. To find the value of p, we can use the fact that the sum of probabilities in a distribution must…

Q: Bayes' Theorem - detecting a virus from test results. help_outline   (a) Assume one person out of…

A:

Q: For mated pairs of gallinules (type of water bird), let X equal the weight in grams of the male and…

A: In the given context, the correlation coefficient is a negative real number (i.e. -0.25), which…

Q: Divide a line segment into two parts by selecting a point at random find the Probablity that the…

A: We have, If a function has a continues cumulative distribution function then the variable X is…

Q: b) (i) The probability distribution of the number of customers visiting a specialty store each…

A: At first we know for a valid density/distribution  function we have  ∑nP(N=n)=1   and then  For a…

Q: You want to obtain a sample to estimate how much parents spend on their kids birthday parties. Based…

A: Margin of error=1.5 Population standard deviations=31.6 Critical value =1.645

Q: You draw one card from a 52 card deck. Then the card is replaced in the deck, the deck is shuffled,…

A:

Q: Assume we roll four six-sided dice. (The dice are distinct, i.e. each is a different color.) Use…

A: Assume we roll four six-sided dice. (The dice are distinct, i.e. each is a different color.) Use…

Q: roblem #5: Suppose that the distribution of the lifetime of a car battery produced by a certain car…

A: Mean μ=1800 Variance σ2=104=10000 The distribution of the lifetime of a car battery produced by a…

Q: A survey is taken in Ms. Smith's math class to find out the students' favorite foods. Out of the…

A: Total number of male=14 Total number of female=16

Q: You are to model the daytime temperature of the Mojave desert during the summer time. Temperatures…

A: Let X be the temperature during the desert day. From the given information, X follows normal…

Q: answer b and c are not clear, can you upload them again??

A: λ = 1.5 per week  P(X = x ) = e^-λ (λt)x / x! Where x = no of accidents  in a week As per above…

Q: When Brett Kavanaugh was nominated to be a Supreme Court justice, a survey of 1029 Americans showed…

A: From the provided information, Sample size (n) = 1029 From which 51.1% disapproved of Kavanaugh that…

Q: Find the probability that a point chosen at random from AK is on the given segment. A B C D E F G H…

A: Given the line as

Q: 4. A store has found that 10% of the items it sells are returned after Christmas. On one day, a…

A:

Q: Let X = the outcome when a fair die is rolled once. Suppose that, before the die is rolled, you are…

A: To determine which option to prefer, we need to compare the expected values of each option. The…

Q: Given a population of 10,000 people and a known prevalence rate of 5% for a specific medical…

A: The prevalence rate is 5%.

Q: to honor their ancestors. The mural covers a 1218 m1281​m12, start fraction, 1, divided by, 8, end…

A: Let's break down the expression in detail and explain each step:   Information given:   The mural…

Q: The data below is the number of runs batted in (RBIs) for the top 40 ranked players in the MLB as of…

A: The dataset is given as- 18 20 14 7 17 11 11 18 15 10 16 20 12 16 15 10 17 22 18 18 15 15 16 12 8 30…

Q: (1) There is an equal number of red and blue marbles (H0), or (2) 60% of the marbles are blue (HA)…

A: To solve this problem, we can use the concept of conditional probability and apply it to each…

Q: Find the theoretical probability of: When selecting 3 cards from a regular deck without…

A: Here given that 3 cards are drawn without replacement from standard deck of cards . Total 52 cards…

Q: In a certain​ country, the true probability of a baby being a girl is 0.474. Among the next eight…

A: Answer: From the given data,  The true probability of a baby being a girl is 0.474  Among the next…

Q: How many ways can we color this map with three colors? Adjacent countries must get different colors.

A:

Q: 1.5.8. Suppose the random variable X has the cdf { 0 x+2 4 1 F(x) x<-1 −1≤ x < 1 1 ≤ x.| Write an R…

A: To sketch the graph of the cumulative distribution function (CDF) F(x) with the given conditions,…

Q: Stock Market Gyrations The following chart shows the day-by-day change, rounded to the nearest 100…

A: Given the chart shows the day-by-day change, rounded to the nearest 100 points, in the Dow Jones…

Q: he weights of the fish in a certain lake are normally distributed with the mean of 18 lb and a…

A: Answer: From the given data, Mean (μ) = 18 Standard deviation (σ) = 12 X follows normal…

Q: Find the range and standard deviation. The table below gives the number of hours spent watching TV…

A: 1,6,1,9,4,8,1,7,10,2,8,10,3,9,1,9,10,4,4,10,7,7,1,9 sample size(n)=24

Q: We repeat a coin-like event 5 times with probability 0.3 of success. What is the probability of…

A: Number of trials=5  Probability of success=0.3 We have to find the probability of getting 1 success…

Q: Compute the mean, median, mode, variance and standard deviation of the following data. An…

A: Wing span in mm Number of insects 15-19 5 20-24 10 25-29 32 30-34 42 35-39 76 40-44 110…

Q: Sport Utility Vehicles—Tow Ratings The following table shows tow ratings (in pounds) for some…

A: Answer:- Let X be the tow rating of a randomly chosen popular SUV from the list above.  Using…

Q: Using 10 classes construct a frequency distribution.

A: Here given that final grades (in terms of percentages) from a class of 20 students. No of class = 10…

Q: If P(A)= 0.2, P(B)= 0.32 Calculate P(A and B)?

A: Answer:- Given, P(A) = 0.2  And P(B) = 0.32  Using formula,  According to the given information we…

Q: Find the area below 63 for a normal distribution with mean 61 and standard deviation 10? Round to…

A: Answer: From the given data, Mean (μ) = 61 standard deviation (σ) = 10 X follows normal distribution…

Q: (c) A coffee machine is regulated so that it discharges an average of 200 milliliters per cup. If…

A: (C) Answer:- Given, Mean, µ = 200  Standard deviation, σ = 15  Let X be a random variable represents…

Q: Find the probability that students received 61-70%. Find the probability that students received…

A: As per policy I have calculated first main question plz REPOST for remaining question.. Here given…

Q: Determine the required value of the missing probability to make the distribution a discrete…

A: Answer:- Given, Discrete probability distribution table is,  x P(x) 3 0.22 4 ? 5 0.31 6…

Q: Is there any chance that : Covarience (X,Y) = Varx + Vary - 2*Var(X,Y) or it has to be Covarience…

A: In statistical analysis, the covariance between two random variables X and Y is a measure of their…

Q: You want to obtain a sample to estimate a population proportion. At this point in time, you have no…

A: Margin of error=0.03 Confidence level=0.95

Q: Let X denote a random variable distributed as an exponential with parameter 2, λ> 0. That is, it's…

A:

Q: Consider the following hypothesis test: H0: ?  ≥  19 Ha: ?  <  19 A sample of 49 provides a sample…

A: From the provided information, Sample size (n) = 49 Sample mean (x̄) = 18 Sample standard deviation…

Q: At LaGuardia Airport for a certain nightly flight, the probability that it will rain is 0.07 and the…

A: It is given that, the probability that it will rain is, P(Rain) = 0.07. Thus, the probability that…

Q: Ten percent of the engines manufactured on an assembly line are defective. Suppose engines are…

A:

Q: Potential customers arrive at a small machine maintenance facility according to a Poisson process…

A: We want to find the probability that a customer is turned away, which occurs when all four machines…

Q: 8) Phone calls arrive at the rate of 72 per hour at the reservation desk for Regional Airways.…

A: Given Phone calls arrive at the rate of 72 per hour

Q: A group of people were asked if they had run a red light in the last year where 188 responded "yes,"…

A: The data is defined below as follows:   From the information, given that   Let S denotes the total…