What is the probability that a randomly selected person from the sample is a non-smoker? b. What is the probability that a randomly selected person from the sample is a non-smokes and a. drinks coffee? C. What is the probability that a randomly selected person from the sample either smokes or drinks coffee?

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Q: A survey information given below, Sample mean = 5.5, s=2.517, df=8 and confidence level 95%…

A: Givensample Mean(x)=5.5standard deviation(s)=2.517Degrees of freedom(df)=8confidence level=95%

Q: Q 2/ In a certain city, the number of power outages per month is a random variable, having a…

A: Given that n =22,p =0.7

Q: Find the marginal probability of X = 1.

A: Given:     Y     1 2 3 X 1 0.05 0.05 0 2 0.05 0.1 0.2 3 0.1 0.35 0.1

Q: 4.two die are tossed, the probability that the sum of two faces will be 4 a)효 11 b) d) 3 12

A:

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A: Researchers mostly relies on the p-value to draw conclusions about their hypothesis testing.

Q: Here are summary statistics for randomly selected weights of newborm girls: n= 171, x= 29.8 hg, s=…

A: Given that Sample size n =13 Sample mean =29.5 Sample standard deviation =2.4

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A: Given that, it is known that the average value (x) of computer battery life after recharge is 12…

Q: a sample of 64 measurements are randomly selected from a poulation with a mean of 30 and a standard…

A: We have given that Sample size (n) = 64 Mean(µ) = 30Standard deviations (σ) = 5

Q: lity getting (H,T)? what is the probability getting (H,H)? If'a coin toss 3 times what is the…

A: (4) We have given that,  If a coin toss three times then we will find the probability of getting (H,…

Q: 4, s = 0.3, n = 15 ‚š = 152, s = 5.5, n = 50 9, x = 30.2, s = 3.8, n = 4 S = 52. n = 70 %3D

A:

Q: Q17: For a sample, we find that (x-10)=0, so the mean is (A) 12 (B) 0 (C) 10 (D) None of the above

A: Given,∑i=112(xi-10)=0

Q: How many different choices does he have?

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Q: State the null hypothesis, HO, and the alternative hypothesis. Ha, in terms of the appropriate…

A: Concept:  Null hypothesis: It is the hypothesis of no difference Alternative hypothesis: It is the…

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A: Note: In the question the value of x is 11  Let X denote the hours of TV watched per day,  Let Y…

Q: A sample of size ? = 14 has a sample mean ?̅= 11.9 and sample standard deviation ? = 2.1. It is…

A: Given that  sample of size= 14  sample mean = 11.9 and sample standard deviation =2.1.

Q: Years ר

A:

Q: Solve the problems by following the steps and procedures in hypothesis testing 1. A chemical company…

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A: Given: μ=18.3σ=6.5Sample size, n=57

Q: n a random sample of  ​29 people, the mean commute time to work was 31.6 minutes and the standard…

A: It may be interpreted that: n (sample size)=29x¯ (sample mean)=31.6s (sample SD)=7.1.

Q: Let p be the population proportion for the following condition. Find the point estimates for p and…

A:

Q: Construct the confidence interval for the population mean μ.   c=0.95​, x=16.2​, σ=10.0​, and n= 65…

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Q: Example 3.2 We are given the following data and asked to draw an ogive and determine graphicall the…

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Q: Find the numerical value of the area under the normal curve given the following information: - NOT…

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A: Given data: Bacterium culture Standard New 1 23.6 22.5 2 27.9 25.6 3 22.9 24.0 4 21.8…

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A: Given Information: Sample size n=32 Sample mean x¯=67000 Sample standard deviation s=8000…

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Q: Which of the following statements is correct? O Changing the units of measurements of the…

A: We have given the following statement about the correlation coefficient.

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Q: QUESTION 13 Exhibit 3 You are given the following information about y and x. Dependent Variable y…

A: Find r =?

Q: fyl8) = {(@ – 0, 1)e°(-Iny), 0 1 elsewhere. 4.1. Obtain the MLE for 0. 4.2. Show that the MLE is…

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: Option A y=2500+5.0x is the correct answer

Q: 9. What is the value of mean i based on Problem B? В. 1б0 A. 180 C. 4.23 D. cannot be determined…

A: We have given that  p = 90% = 0.90 Sample size n = 200 X ~ B( 200, 0.9 ) In Binomial distribution,…

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A: Given:- The sample size (n = 1100) is large enough to compute the point estimate of the proportion…

Q: 4- The number of element in the sample space when you flip 3 coins together a) 2 b) 8 c) 6 d) 12

A: Given3 coins filped together

Q: A data set about speed dating includes "like" ratings of male dates made by the female dates. The…

A: Solution-: Given: x¯=5.83,μ0=6,n=198,s=2.05,α=0.01 Our aim to find, (a) Identify the null and…

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A: Given information: Hours slept Score 8 83 7 86 7 74 8 88 6 76 5 63 7 90 4 60 9…

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A: We have given that the data into cross tabulation form. Total number of children = 500

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Q: 3. Suppose the National Transportation Safety Board (NTSB) wants to examine the safety of compact…

A: The question is based on ANOVA Given table : SSbetween  = 86049.55 SSwithin = 10254 α = 0.05

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