Using Normal Distribution to Approximate Binomial Probabilities
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Using Normal Distribution to Approximate Binomial Probabilities
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When using a normal distribution to approximate a binomial dist... | Filo
When using a normal distribution to approximate a binomial dist... | Filo
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Can a normal distribution always be used to approximate a binom... | Filo
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SOLVED: Determine whether you can use the normal distribution to approximate the binomial distribution. If you can, use the normal distribution to approximate the indicated probabilities and sketch their graphs. If you cannot, explain why and use the binomial distribution to find the indicated probabilities.Question: A survey of adults in a region found that 71% have encountered fraudulent charges on their credit cards. You randomly select 100 adults in the region. Complete parts (a) through (d)
SOLVED: Determine whether you can use the normal distribution to …
2022年6月14日
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SOLVED:A requirement for using the normal distribution to approximate the p̂ distribution is that both n p>5 and n q>5. Since we usually do not know p, we estimate p by p̂ and q by q̂=1-p̂. Then we require that n p̂>5 and n q̂>5. Show that the conditions n p̂>5 and n q̂>5 are equivalent to the condition that out of n binomial trials, both the number of successes r and the number of failures n-r must exceed 5 . Hint: In the inequality n p̂>5, replace p̂ by r / n and solve for r. In the inequality
SOLVED:A requirement for using the normal distribution to approxi…
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SOLVED: Assuming the population has an approximate normal distribution, if a sample size n=15 has a sample mean x̅=43 with a sample standard deviation s=3, find the margin of error at a 95 % confidence level. Round the answer to two decimal places.
SOLVED: Assuming the population has an approximate normal distrib…
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