At 5yrs old 10 of 307 children in the peanut butter group who ate were allergic and 55 of 321in the no peanut butter group were allergic does this show a 0.05 significant to avoid or eat peanut butter

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Q: Find the margin of error for the given values of c, s, and n. c= 0.98, s = 3.8, n 17 Click the icon…

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Q: Suppose that an airline quotes a flight time of 2 hours, 10 minutes between two cities. Furthermore,…

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Q: Part I The binomial distribution has p = 0.5 and n = 20. Find P(X < 8). Use Table II, Appendix A.…

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Q: An electrical firm manufactures light bulbs for LCD projectors. A randomly selected sample of 24…

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A: Given n=239 x=50

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Q: Previously, 3% of mothers smoked more than 21 cigarettes during their pregnancy. An obstetrician…

A: Solution-: Given: x=3,n=150,P0=0.03,α=0.05 What is null and alternative hypothesis?

Q: A B .02 (.03 .07 .05 (.04.08 .20 .51

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Q: It is the process used to calculate population parameters by analyzing only a small random sample…

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Q: Find the probability of z occurring in the indicated region of the standard normal distribution.…

A: We will use the Standard Normal table to find the required probability.

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Q: Carefully defining the random variable of interest  What is the probability distribution? State the…

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Q: What proportion of the standard normal distribution lies outside the interval ±0.2525? Please use…

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Q: The value of k for a random sample of size 18 for a normal distribution such that P(-2 <t< k) =…

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Q: 4. Suppose that O is a uniform random variable on the interval (-1/2,1/2). Let T = tan 0. Find the…

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A: Given that  X~N(μ= 43 , σ= 5 ) μ= 43 , σ= 5 Formula for Z-score Z=(X-μ)/σ Note: According to…

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A: Regression analysis is often misinterpreted due to ignorance into some crucial issues.

Q: Frequency distribution of amount of savings Savings $0-$199 Frequency_ 330 $200–$399 88 $400-$599 56…

A: Solution-: We have following table: Savings ($) Freq (fi) 0-199 330 200-399 88 400-599 56…