how did you get the z a/2?
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A: From the provided information, x̄ = 832 Zα/2 = 1.960 σ = 150 and n= 100
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A: Answer: From the given data, using normal distribution,
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A: Note :- As per our guidelines we are supposed to answer only 3 subparts of any questions so i am…
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A: Z has follows standard normal distribution with mean zero and standard deviation one.
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A: { 28,26,18,14 } Sample size (n=2) {(28,28),(28,26),(28,18),(28,14) (26,28),(26,26),(26,18),(26,14)…
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A:
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Q: write down the steps(algorithm) needed for the hypothesis testing.
A: Hypothesis testing
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A: n1=754, x1=37n2=746, x2=15
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A: Population mean μ =11 Population standard deviation =2 NOTE:- According to bartleby guidelines…
Q: Hi can you ansert d and e asap ty
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A: Estimated proportion ( p) = 0.59 Margin of error (E) = 0.0437 significance level (α) = 0.01
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A: Answer: From the given data, X is a Poisson random variable with mean 5 X ~ Poisson (5) Mean μ = 5
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A: we have to find out the p(-c ≤Z≤c)=0.9566
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A: Here Given for Sampling distribution
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Q: Number of Facilities Number 9 11 16 21 27 30 Average Distance (miles) 1.67 1.11 0.83 0.63 0.52 0.46…
A: Number of Facilities Average Distance 9 1.67 11 1.11 16 0.83 21 0.63 27 0.52 30 0.46…
Q: Find the indicated area under the standard normal curve. Between z = - 1.03 and z = 1.03
A: X~N( 0 , 1 ) μ=0 , ?=1 (for standard normal distribution) Z-score =( x - μ )/?
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A: Answer: From the given data, Sample size (n) = 148 Sample mean (y¯) = 5.29 Population standard…
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A: Answer: From the given data, P(z>0.63) is,
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A: A confidence interval is a range of values in which the population parameter is expected to lie. The…
Q: If n = 515 and p- hat = 0.72, find the margin of error at a 99% confidence level
A: Answer: From the given data, Sample size(n) = 515 p^ = 0.72 99% confidence interval,
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A: A random sample of 5055 adults in the United States includes 751 who do not use the Internet. US…
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A: Mean(μ)=19.5 standard deviation(σ)=0.2
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A: CLASS LIMITS Frequency Relative frequency Cumulative Frequency Class Mark Class Boundaries…
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