For a Gaussian random variable with = 0 and ₁=1, what is P(| X > 2) and P[X>2]?

Q: The probability that your call to a service line is answered in less than 30 seconds is 0.65. Assume…

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Q: * In building materials laboratory, it has been observed that a failure proportion of concrete cubes…

A: Let X denotes the number of cubes fail in the test. Given that n = 300, p = failure proportion =…

Q: The manufacturing of semiconductor chips produces 2% defective chips. Assume the chips are…

A: The sample size is 1000. The value of the proportion is 2% or 0.02. We have to find the probability…

Q: According to researches, the human requirement for salt is 220 mg per day which is supposed in…

A: Given that, according to researches, the human requirement  for salt is 220 mg per day which is…

Q: The test statistic of z=1.37 is obtained when testing the claim that p>0.1. a. Identify the…

A: Data given Test statistic Z=1.37,  Claim is that p>0.1  Level of significance ɑ=0.05

Q: The table below shows the number of employees within a small construction company classified…

A: Given X=20 Find Z score

Q: What is the highlighted area under the given Normal curve? u - 30 u - 20 u-o и то u + 20 μ+30

A: we have to find shaded area   as we know, area under standred normal curve represents probability

Q: The middle 50% of the heights are between what two values? Round to one decimal place.

A: Here Given, Assume that women have heights that are normally distributed with a mean of 63.6 inches…

Q: If C is consumption, I is investment, G is government purchases and NX is net exports, according to…

A: Correct option is A GDP; Y- C-I=G+NX

Q: Suppose that we will randomly select a sample of 64 measurements from a population having a mean…

A: From the provided information, Mean (µ) = 20 Standard deviation (σ) = 4 X~N (20, 4)

Q: The length of time, in minutes, for an airplane to obtain clearance for takeoff at a certain airport…

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Q: * A box contains fifteen balls have numbers from 1 to 15. If two balls are drawn at random where the…

A: given data,A box contains fiftean balls have number from 1 to 15 s = {1,2,3...,15}  = 15…

Q: The following are the ratings of males by females in an experiment involving speed dating. Use the…

A: Given data: 1.0, 1.0, 2.0, 2.0, 3.0, 3.0, 3.5, 3.5, 3.5, 3.5, 3.5, 4.5, 4.5, 5.0, 5.0, 5.0, 5.5,…

Q: The table below shows the number of employees within a small construction company classified…

A: The question is about frequency distribution Given :   To find : Standard score for the 20 years of…

Q: Let x be B(13,0.3).  (a)Use the Binomial Probabilities table to find the probability that x is at…

A: Given that: X~Bin13,0.3

Q: 1.8 A Canadian manufacturer identified a critical diameter on a crank bore that needed to be…

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Q: Use normal approximation. Round the answers to four decimal places (e.g. 98.7654). (a) Approximate…

A: It is given that  p = 19.3% = 0.193 n = 1000

Q: A new drug claims to be effective against flu 90% of the time. The drug is tested on 56 selected…

A: Given that  n = 56 , p = 90% = 0.90 , q = 1 - p = 1 - 0.90 = 0.10 X ~ Binomial ( n = 56 , p = 0.90 )…

Q: (B) What would be the estimated price per computer for a demand of 11,000 computers? For a demand of…

A: The given price-demand function px=2400-40x.

Q: 5. Problem 5. (a) Consider a sample space C = {1, 2, 3, 4, 5, 6, 7, 8, 9), where each of these…

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Q: Lionel has just received his monthly credit card statement. He placed 9 charges on his card in the…

A: The mean is $30.61 per charge.

Q: Calculate the Herfindahl-Hirschman Index (HHI) for each year using deposits and comment on the level…

A: Here we are given the data about deposits of banks in years 2018, 2019 and 2020.   We have to find…

Q: Refer to Exhibit 9-61. The test statistic is O O O-1.6 O 1.6 -2.80 1.25

A: It is given that  Population proportion, p = 50% = 0.50 Sample proportion, p^ = 40% = 0.40 Sample…

Q: Four studies were done to measure the risk of heart attack among males who were age 60 years at…

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Q: A pet store has 6  cats. Here are their weights (in pounds). 15, 14, 12, 10 , 11, 9 Find the mean…

A: Given data: 15, 14, 12, 10 , 11, 9 Required: To find the mean weight of these cats.

Q: A small business ships homemade candies to anywhere in the world. Suppose a random sample of 16…

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Q: How long does it take to finish the 1161-mile Iditarod Dog Sled Race from Anchorage to Nome, Alaska?…

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Q: 5. Suppose the probability density function of the magnitude X of a dynamic load on 3 +-x 0<x<2 8 a…

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Q: The following data represent the results from the specific gravity (S.G.) test performed in a soil…

A: Here we have to find the greater than cumulative frequency distribution table. Please find the…

Q: The table below shows the number of employees within a small construction company classified…

A: Given  X=20

Q: 21-B Book Street Books sells about 1600 books each month. The ple chart displays the most popular…

A: The question is about graphical representation of data Given : From pie chart Total no. of books =…

Q: Suppose babies born after a gestation period of 32 to 35 weeks have a mean weight of 2500 grams and…

A: Given that: Population Baby's average weight when they are delivered after 32 to 35 weeks of…

Q: ethod descriptions given. Situations ask all the students in your math class dividing the population…

A: Answer :    1) Convenience sampling: Ask all the students in your math class. Explanation: This is…

Q: What is the probability that a randomly selected parcel arrived on time? d. If a randomly selected…

A: Here given,  A certain company sends 50% of its overnight mail parcels via express mail service E1.…

Q: 2.2 Losses at an oil refinery (in millions of dollars) due to excess heat can be divided according…

A: The question is about graphical representation of data Given :   To find : a ) Draw Pareto chart b…

Q: Problem 4. Consider an urn containing ten identical red balls, numbered one to ten, and ten…

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Q: Review times of all new drug approvals by the Food and Drug Administration for the years 1985-1992…

A: 175 drugs were approved during the eight year period.  Graphical representation of the review times…

Q: Which of the following are reasons that a sampling technique ma in a valid, representative sample of…

A: Sampling: The process of selecting a sample from a population is called sampling. In sampling, a…

Q: An instructor who taught two sections of engineering statistics last term, the first with 25…

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Q: Based on this sample information, do you think the machine needs an adjustment

A: From given data we have  n=25,α=0.01s2=0.029 The population variance should not exceed 0.015 square…

Q: How many posible 5-digit zip codes exist if the first number must be from 3 and 9, the last number…

A: We have given that 5-digit zip codes exist if the first number must be from 3 and 9, the last number…

Q: An ordinance requiring that a smoke detector be installed in all previously constructed houses has…

A: Probability is the measure of likelihood occurrence of the event. Event is the outcome of all the…

Q: If two regression coefficients are 2.4 and 0.4 then what would be the value of coefficient of…

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Q: Consider sample data with x = 12 and s = 3. (a) Compute the coefficient of variation

A: Answer:- Given,  sample data with sample mean x = 12  and  standard deviation s = 3.…

Q: Construct a bar graph that represents the following data regarding the combined SAT Math and English…

A: Given that, State SAT Average Illinois 1145 New York 998 Alabama 1120 Alaska 1041…

Q: In the transmission of digital information, the probability that a bit has high, moderate, and low…

A: Given that in the transmission of digital information, the probability that a bit has high, moderate…

Q: The weight of cans of vegetables is normally distributed with a mean of 1380 grams and a standard…

A: given data,normal distribution μ =  1350σ  = 80probability that the sample mean of weight for is…

Q: Listed below are the amounts (dollars) it costs for marriage proposal packages at different baseball…

A: Since you have posted a question with multiple sub-parts, we will solve first three subparts for…

Q: The following table of values gives a company's annual profits in millions of dollars. Rescale the…

A: The following information has been provided: Year(x) profits (y) 2001 23.8 2002 25.2 2003…

Q: Determine the difference between the fourth moment about the origin (10) and the fourth moment about…

A: Given information: Moment of origin=10n=4