Based on historical data, your manager believes that 32% of the company's orders come from first-time customers. A random sample of 126 orders will be used to estimate the proportion of first-time-customers. What is the probability that the sample proportion is less than 0.31?

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A: The probabilities for causes of plane crash are provided as follows: Cause Probability Pilot…

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A: Given that Sample size =50  Probability of guest from Germany=0.20 4. Find the probability that more…

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A: Suppose a random variable X, defines that the number of green balls.

Q: Girl - 3400, 900, 2600 4300 2800, 1800, 300 4000 3400, 3100, 3100 Boy - 3800, 2600, 3400 3800…

A:

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A: Let us define the following states of the Markov chain:  State 0: Machine is operable, and product A…

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Q: QUESTION 7 If the proportion of Mastercard transactions in a sample of various credit card…

A: n=17, p=0.554, C.I=94%=0.94

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A: No. of ways to select n members from N members = NCn  = N!/(n! * (N-n)!)  Here N! = N*(N-1)*...1…

Q: Suppose that the survey is distributed to 135 individuals and an estimated 40% of the population…

A: It is given that, n=135 and p=0.40.

Q: Two dice are rolled. Find the probability of getting doubles or a sum of 2. 02 9 7 36 4 16

A: roll two dice.  P(getting doubles or a sum of 2) = ?  P(event) = no. of favorable outcomestotal…

Q: 1. Find P(Z < 1.93) 2. Find P(Z < .05) -

A: standard normal distribution Z~N(0,1)   notr : area under standard normal curve represents…

Q: A pizza parlor offers 66 different toppings. How many different personal-sized pizzas can be made…

A: 66 different toppings.   no. of different personal-sized pizzas can be made with exactly one…

Q: The reference desk of a university library receives requests for assistance. Assume that a Poisson…

A: Arrival Rate λ = 13 Service Rate μ = 16

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A: f(x)=k(2-x2); -1≤x≤1

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A: The total number of people (boys and girls) is n = 5290.

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A: Suppose you have a bucket of 150 balls: 47 red, 62 blue, and 41 green. Random variable X = “Number…

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A: Dominant: Round Peas (R) Recessive: Wrinkled Peas (r) First to Second Generation   Second Parent…

Q: if (a) the ball selected is not returned to the bin before the next ball is selected and (b) the…

A: Bin containing 50 balls labeled with the numbers 1, 2, ... ,50 . SO Total 50 balls in bin.…

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A: *b The objective is to find the probability that that the two bulbs fails within a total of 1600…

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A: From the provided information, Population standard deviation (σ) = 50 Watts Sample mean (x̄) = 4000…

Q: A pair of dice is rolled. Find the probability of rolling a sum not more than 10, b) a sum not less…

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Q: A particular disease is tested for and the results determine that it occurs in about 1 of every 425…

A: There are totally 425 black females in the results determine that it occurs in about 1.

Q: type of lase inspection equipment was investigated. Assume t standard deviation of the number of…

A: Let's first define our hypotheses:  Null hypothesis: H0: µ = 9.5 (the true mean number of solder…

Q: Based on this distribution, what is the coefficient of variation for the room rates at this hotel…

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Q: Compare and contrast the difference between finding the odds and finding the probability of an…

A: Compare and contrast the difference between finding the odds and finding the probability of an…

Q: Use the table below to find each probability for a randomly chosen student: Round all probabilities…

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Q: A large insurance company maintains a central computing system that contains a variety of…

A: Mean of 34 calls &amp; Service rate per line is 21 calls per hour  λ=34μ=21

Q: Let Z be the standard normal random variable. Use The Standard Normal Distribution table to find the…

A: (a) The value of z for the given probability is obtained below as follows: From the information,…

Q: According to an airline, a particular flight is on time 88% of the time. Suppose 43 flights are…

A: given data, p(flight on time)=0.88p=0.88q=1-p=1-0.88=0.12x= flight are  on timen=43

Q: Draw a tree diagram for choosing a vowel​ (a, e,​ i, o,​ u) and then a number (1 or 2). Use the…

A: We have to draw a tree diagram by choosing a vowel (a, e, i, o, u) and then a number (1 or 2)

Q: Jim has the best batting average on the school baseball team. In his last 25 at bats, he had 11…

A: Answer:- Given, Jim hits 11 out of 25 bats . So, Probability of hitting on a single bat is (11/25) =…

Q: Sickle cell anemia is an inherited disease in which red blood cells become distorted and deprived of…

A: Given that,S represents Sickle cell genes represents healthy gene P(Child has sickle cell trait)=?

Q: K A gender-selection technique is designed to increase the likelihood that a baby will be a girl. In…

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Q: Solve the differential equation using Laplace transforms. The solution is y(t) and y(t) y" - 2y - 3y…

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Q: Two criminal cases/law suits are randomly assigned to one or more of three lawyers in a big law fir…

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Q: 9. A random variable X has the generating function 1 f(z) = (2-z)² Find: a. P(X = 0); b. E(X); c.…

A: To solve this problem, we need to use the properties of generating functions. We know that the…

Q: A bicycle factory runs two assembly lines, A and B. 96% of line A's products pass inspection and 88%…

A: Solution-: Given: Factory bike come off assembly line B=40%=0.40           Factory bike come off…

Q: How many three-digit numbers can be made from the digits 0,1,2, 3 and 4, used at most once each, if…

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Q: sub questions 1,2 and 3 please

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Q: A California license plate has 1​ digit followed by 3​ letters followed by 3​ more digits. How many…

A: No.of digits from 0 to 9=10No.of letters from A to Z=26

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A: Mean μ=20,000 Standard deviation σ=1000

Q: Question 9 Use the standard normal table provided in D2L Content > Module 11 to find the z- value…

A: Let Z be the standard normal variable with mean 0 and standard deviation 1.  Z~N(0,1)

Q: Suppose in small town there are three places to eat, one Chinese restaurant, one Mexican restaurant,…

A: Chinese Mexican Home Pizza  Chinese 30% 20% 20% 30% Mexican 25% 40% 25% 10% Home 20% 25% 25%…