We know that certain bacteria are present in water in a proportion of 3 bacteria per cm3 . What is the probability that a sample of 10 cm3 contains 10 bacteria?

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A: Given information:

Q: QUESTION 15 Collected information/data for a particular housing addition near downtown Houston…

A: From the given information ,Mean = 100standard deviation = 5Using formula ,

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A: Hello! As you have posted more than 3 sub-parts, we are answering the first 3 sub-parts.  In case…

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A: Total number of packets = 20Number of cocaine packets = 15Number of non cocaine packets = 5We need…

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A: Solution :Let, X : Points awarded for each answer X =

Q: 4. For a standard deck of playing cards, compute the following probabilities. Note that we are…

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Q: Suppose you receive a bouquet of flowers that contains 7 red roses, 9 white daisies, 14 yellow…

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A:

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Q: blem 2: Suppose Random Variable H has the pdf: -3x fu(x) = {C * = {c+ e-³* Otherwise x ≥ 0 0 a) What…

A: Suppose random variable H has the pdf

Q: The following two problems will refer to a standard deck of cards. Each card in such a deck hasa…

A: The following two problems will refer to a standard deck of cards. Each card in such a deck hasa…

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Q: An experiment is performed were in 6-sided die is rolled and then 3-color spinner is spun. The…

A: An experiment is performed were in 6-sided die is rolled and then 3-color spinner is spun. The…

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A: The Wilcoxon rank sum is a test for , where  and  are population medians of population 1 and…

Q: The number of birth defects in a region is commonly modeled as having a binomial distribution, with…

A: p=sample size(n)=200

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Q: Randomly sample 256 items from a population where individuals have a normal distribution with a mean…

A: Sample size(n)=256mean()=120Standard deviation()=160

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A: From the given information, SampleConcentration173025903430449056406540

Q: NHL Assists and Total Points A random sample of scoring leaders from the National Hockey League…

A: AssistsTotal points59109681014495659467916989The objective is to test whether there is a significant…

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A:

Q: According to an article, 49% of adults have experienced a breakup at least once during the last 10…

A: According to the given information,Probability of success, p = 49% = 0.49Sample size, n = 9So,…

Q: Suppose that scores on an exam are normally distributed with mean 80 and standard deviation 5, and…

A: It is given that scores on an exam are normally distributed with a mean of 80 and a standard…

Q: Consider a circular target board with radius 10 inches. The target board is divided into 10…

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Q: TREKLAIR bulbs have an average lifespan of 800 hours with a variance of 1,600 hours2 .This duration…

A: Mean() = 800Variance () = 1600Standard deviation() = = 40X~N(

Q: Find the probability that it contains the following combinations.Enter your answers as fractions or…

A: It is given that The total number of gifts = 116

Q: According to her doctor, Mrs. Perez's cholesterol level is higher than only  5% of the females aged…

A: μ=225,σ=25

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A: Suppose Alex a high school class senior has to enroll in  classes.He has science courses and…

Q: Calculate the mean, the variance, and the standard deviation of the following discrete probability…

A: The probability distribution of discrete random variable X is given.

Q: a group of ten residents in a certain county, 3 are Republicans, 5 are Democrats, and 2 are…

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Q: normally distributed with a mean of 15.2 ounces. You find that 1.5% of boxes weigh more than the…

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Q: Consider the following set of dependent and independent variables. Use these data to complete parts…

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Q: Compute the probability that a five-card poker hand is dealt to you that contains 4 Aces. Question…

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Q: In a given​ week, a veterinarian treated the animals in the accompanying table. Use this information…

A: It is given that a veterinarian treated the animals in the accompanying table.The total number of…

Q: 5. (a) Suppose X is a discrete random variable with range in the positive integers {1, 2, 3, 4, . .…

A: Given that X is a discrete random variable with range in the positive integers {1, 2, 3, 4, . . .}.

Q: Question 10 A recruiting firm finds that 20% of the applicants for a particular sales position are…

A: Suppose a recruiting firm finds that  of the applicants for a particular sales position are fluent…

Q: Calculate n Sn=²= 1² +2²+3²+...+² i=1

A: the question is to calculate the value the

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A: To solve this problem, we first need to list all the possible outcomes when rolling two 6-sided…

Q: Use the spinner below. 11 10 C 8 P(-91 12 1 6 2 5 3 4

A: The spinner is divided into 12 equal parts.

Q: Management Decision Systems (MDS) is a consulting company that specializes in the development of…

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Q: Question 3 You collected several observations of the time required to complete a work task for…

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Q: A continuous variable x is said to have a uniform distri- bution if the density function is given by…

A: Given that continuous variable               if the density function is               The time taken…

Q: Employers often require their employees to be subjected to random drug testing. Suppose that 5% of…

A: Given that,

Q: Recreational Time A researcher wishes to see if there is a difference between the mean number of…

A: sample mean 1 ==8.9population standard deviation =  = 2.8 sample size 1= n1=20sample mean 2 =…