QUESTION THREE Suppose you have a normal distribution variable ?, ?=60 and ?=18.  a) Find the probability that  i) ?(4524)  b) At most 15% of the values are associate with what value of ?

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Q: MO22. Supercovitation is a propulsion technology for undersea vehicles that can greatly increase…

A: For the given data Perform z test for one mean and state conclusion

Q: Supposed that the mean age of the employees of warrior's corporation is 45.5 years and the standard…

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Q: 3) In how many ways can three bracelets be selected from a box of ten bracelets?

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Q: need answer ASAP. Question #5: For mutually exclusive events A and B, P(A)=0.32 and P(B)=0.35 Find…

A: Here, we know that mutually exclusive events. Intersection is 0 for two mutually exclusive events.

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A: From the above data The third option is correct  The data is normally distributed The second option…

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A: Given Information: The adult survey had 1063 gamers, while the teen survey had 1064 gamers. 54% of…

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A: The random variable compressive strength follows normal distribution. We have to construct 95%…

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A: Number of employee pledged less than. Third quartile is 13

Q: b) Assume that a recent survey suggests that about 87​% of computers use a new operating system.…

A: Given: Margin of error , E=0.01 p^=0.87

Q: 1.4 4) In how many ways can a student select five questions to answer from an exam containing nine…

A: We want to find number of ways to select 5 question in out of 9 question

Q: Supposed that the mean age of the employees of warior's corporation is 45.5 years and the standard…

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Q: Suppose that X follows a binomial distribution with a mean that equals 4. If the range of X is known…

A: Here given  For Binomial distribution  Mean=np=4 Range of X=10

Q: MO22. A textile fiber manufacturer is investigating a new drapery yarn, which the company claims has…

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Q: Compute and report the 95% prediction interval for annual profit for a new restaurant in Kamloops…

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Q: Class Boundaries 7.5-12.5 12.5-17.5 Frequency 17.5-22.5 15 22.5-27.5 5 27.5-32.5

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Q: 12. Use the following rainfall data to find two types of average rainfall over the watershed: the…

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A: The random variable X follows normal distribution. We have to find the sample size. This is z-test…

Q: Why are sampling distributions important to the study of inferential statistics?  In your answer,…

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Q: The probability distribution of the discrete random variable X is 3-x x = 0,1,2,3. .4, Find the…

A: Solution-: We have the p.m.f. of X is given by,  f(x)=3x*(14)x*(34)3-x f  ;  x=0,1,2,3;   We find…

Q: Consider a variable X taking two values X1 and X2. If X1>X2 has a meaningful interpretation, and…

A: X consist two values Meaningful interpretation = X1>X2 &  X2/X1 We have to choose correct…

Q: The cost of a university education has increased at a much faster rate than other living expenses in…

A: We have given thatMean(µ) = 20Sample size (n) = 20Sample mean (x̅) = 20.4Standard deviations (s) =…

Q: MO22. A hypothesis will be used to test that a population mean equals 10 against the alternative…

A: Given that Test is that whether the population mean is less than 10.

Q: After interviewing 30 third-year students, it is found that the sample mean of their happiness index…

A: Given,sample size(n)=30sample mean(x¯)=72standard deviation(s)=37degrees of…

Q: Assume you have a hypothesis test for mean: Ho : µ =25.07 Hị : µ >25.07 You have a sample with a…

A: Given that  Hypothesized Population Mean (\mu)(μ) = 25.0725.07 Sample Standard Deviation (s)(s)…

Q: Vehide ranh pate in Europe an countries have feen se cardid as thoun in table 4. Jable 3 is there…

A: According to the given information, it has been instructed to use the number 16 in Table 2 which…

Q: MO22. A textile fiber manufacturer is investigating a new drapery yarn, which the company claims has…

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Q: (a) Find a 90% confidence interval for the difference in mean scores between attempt 1 and attempt…

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Q: winning $12, a 20% chance of breaking even (not winning or losing any money), and 60% chance of…

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Q: If an estimator is biased, it implies that a) this must be taken into consideration when looking up…

A: We have given that the statement about to the bias estimator.

Q: the mean monthly salary for a flight attendant is about 65700 with standard deviation of 14500. A…

A: GivenMean(μ)=65700standard deviation(σ)=14500sample size(n)=48

Q: 15. The brand manager for a brand of toothpaste must plan a campaign designed to increase brand…

A: Given that  Margin of error=E=5%=0.05 95% confidence level

Q: The joint probabilities P(X = a, Y = b) of discrete random variables X and Y are given in the…

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Q: The Production manager of GTW Manufacturing Company inspected that out of 20 bags of biscuits, there…

A: Solution-: Given : λ=5 We find, P(at least 3 are defective)=?

Q: . The fuel efficiency of an SUV is measured in miles per gallon (mpg). A company claims that their…

A: Given  Sample mean x̄=29.2,n=33,s=5.8

Q: A researcher wants to test the hypotheses: Ho: µ = 100 against H1: µ=100. She takes a sample of size…

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Q: In A Sample Of 5000 Car Owners, 1826 Said That They Would Seriously consider purchasing an…

A: Given that, x = 1826,  n =5000 (a) The point estimate of the population proportion of car owners…

Q: 13. Skech the hird bell curve by showing the mean and standard deviation. 14. What are the data…

A: Measure of central tendency are mean, median and mode. Important measure of disperion was standard…

Q: MO21. A civil engineer is analyzing the compressive strength of concrete. Compressive strength is…

A: Given that  x̄ = 3317  , ?2=991 ,  n = 12 , ? = 31.48

Q: Question 9: A certain species of tree has an average life span of 130 years. A researcher has…

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Q: you

A: The given question deals with study of the data of the race of American with the percentage of death…

Q: A 1992 article in the Journal of the American Medical Association ("A Critical Appraisal of 98.6…

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Q: The middle 55% of jobs should be within what range of times?

A: here given, mean = 50 minute standard deviation  = 6 minute

Q: 1. Sketch the first bell curve by showing the mean and standard deviation. 2. What is the data value…

A: Enter the data values in Excel: Use the function "=AVERAGE()" to find the mean and "=STDEV.P()" to…

Q: Calculate the following probabilities and indicate which probability distribution model is…

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Q: A 1992 article in the Journal of the American Medical Association ("A Critical Appraisal of 98.6…

A: Given data  98.3 ,97.2 ,97.4 ,97.6 ,97.8, 97.9, 98.0 ,98.0, 98.2, 98.1 ,98.2 ,98.3, 98.3, 98.4 ,98.4…

Q: Suppose Z follows the standard normal distribution. Calculate the following probabilities using the…

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Q: Using your favorite statistics software package, you generate a scatter plot with a regression…

A: Givenregression equation is y=-32.74x+19.35Correlation coefficient(r)=-0.557

Q: 4. Ms. Green must choose three students from her chess club to speak on the Rebel Report. If the…

A: Given that  Total member=8 She choose member=3

Q: Statistics related question The club members are going to elect their officers. If there are 4…

A: Answer - The club members are going to elect their officers.                 If there are 4…