In the following binomial situation, identify n. "In a national survey, 3 of 10 college students admit to having tried marijuana. What is the probability that 15 college students in a local sample of 60 have tried it?"

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Q: (a) Are these data discrete or continuous? Explain. O A. The data are continuous because it was…

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A: It is given that Mean = 1008, SD = 242 And sample size n = 10 Note : According to our guidelines we…

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Q: a. Assume that nothing is known about the percentage of passengers who prefer aisle seats. n= (Round…

A: It is given that  Margin of error, E = 5.5% = 0.055 Confidence level = 99%

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Q: 3. Suppose the 3 friends want to investigate the types of cars that students at WSU drive. Using the…

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Q: Compute the sample correlation coefficient (to  decimals and enter negative value as negative…

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Q: The following data represent exam scores in a statistics class taught using traditional lecture and…

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Q: sticky scale brings Webster’s attention to whether caulking tubes are being properly capped. If a…

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Q: The accompanying table lists the ages of acting award winners matched by the years in which the…

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Q: What is the SD of a distribution if the mean is 4.5 and a z score of 3.5 corresponds to a raw score…

A: GIVEN DATA, μ=4.5z score =3.5raw score =x=15standard deviation =σ=?

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Q: What is the probability of a group of 4 having a score of atleast 60 if the mean is 50 and SD is 8?

A: given data  n = 4 μ = 50σ = 8P(x¯≥60) = ?

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Q: ​If, in a sample of n=25 selected from a normal​ population, X=59 and S=10​,what is your statistical…

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Q: a certain elementary school, 54% of the students are girls. A sample of 65 students is drawn. Use…

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Q: What is the probability of having a raw score greater than 9 if the mean is 10 and the SD is 1?

A: given data μ= 10σ = 1P(x>9) = ?

Q: If you use a 0.05 level of significance in a two-tail hypothesis test, what decision will you make…

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A: Given,The no.of ways a three-member committee can bechosen from 10 pepole.

Q: You want to buy a $212,000 home. You plan to pay 15% as a down payment, and take out a 30 year loan…

A: Down payment = 15%  Present value = 212000- 0.15* 212000  30 years = 30*12 = 360 months

Q: 7.18 INTRUSION DETECTION SYSTEMS. The Journal of Research of the National Institute of Standards and…

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Q: Consider the following data. Period 1 2 3 4 5 What is the mean growth rate over these five periods…

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Q: Calculate the standard error from the following descriptive statistics a . s1=24 , s2=21 , n1=36 ,…

A: Given a. s1=24 , s2=21      n1=36 , n2=49 b . s1=15.40 ,s2=14.80;        n1=20; n2=23 c. s1=12 ,…

Q: f the necks of giraffes follow a Normal distribution with mean = 1.8 meters and standard deviation =…

A: Given Normal distribution with mean u = 1.8 meters  standard deviation sigma = 0.2 meters.

Q: Using the correlation data. How are IQ and reading achievement related?

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Q: What is the null and alternative hypotheses for the average weight of dogs is 15.6 pounds?

A: Given that  The average weight of dogs is 15.6 pounds µ = 15.6