Calculus and Above

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Three cards are drawn with replacement from a standard deck.
Three cards are drawn with replacement from a standard deck. What is the probability that the first card will be a the second card will be a red card and the third card will be an ace? Express your an… read more
R.R. Jha
R.R. Jha
Bachelor's Degree
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Suppose the data to the right represent the survival data
Suppose the data to the right represent the survival data for the a certain ship that sank. The males are adult males and the females are adult females. Complete parts​ (a) through​ (j).Male Female Ch… read more
R.R. Jha
R.R. Jha
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Consider a binomial experiment with n = 10 and p = 0.40. (a)
Consider a binomial experiment with n = 10 and p = 0.40. (a) Compute f(0). (Round your answer to four decimal places.) f(0) = (b) Compute f(2). (Round your answer to four decimal places.) f(2) = (c) C… read more
GLENN GILONGOS
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For this problem, carry at least four digits after the
For this problem, carry at least four digits after the decimal in your calculations. Answers may vary slightly due to rounding.In a random sample of 61 professional actors, it was found that 40 were e… read more
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Find the following probabilities. (Round all answers to four
Find the following probabilities. (Round all answers to four decimal places.) p( z < -1.94 )… read more
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I need some help with my economic statistics homework! I am
Hi I need some help with my economic statistics homework! I am very confused.1. The mean income per person in the United States is $38,500, and the distribution of incomes follows a normal distributio… read more
GLENN GILONGOS
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Whats this, Use Excel to find the critical value of z
Use Excel to find the critical value of z for each hypothesis test. (Negative values should be indicated by a minus sign. Round your answers to 3 decimal places.) (a) 3 percent level of significance, two-tailed test. Critical value of z ± (b) 4 percent level of significance, right-tailed test. Critical value of z (c) 6 percent level of significance, left-tailed test. … read more
GLENN GILONGOS
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One sample has n = 17 with SS = 1646, and a second sample has
One sample has n = 17 with SS = 1646, and a second sample has n = 17 with SS = 1710. (a) Find the pooled variance for the two samples. (Use/round to 2 decimal places.) Pooled variance = (b)Compute the… read more
Stevewh
Stevewh
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Find the standardized variable Z if X has Mean 48 and standard
Find the standardized variable Z if X has Mean 48 and standard deviation 9. Your answer: Z = (X - ) / Open Show Work Find the standardized variable Z if X has Mean 157 and variance 36. Your answer: Z … read more
Stevewh
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FOR STEVE: Random samples that are drawn independently from
FOR STEVE: Random samples that are drawn independently from two normally distributed populations yielded the following statistics. Group 1 n1(1 is subscript)=13 x(line over x and subscript of 1)=248.7… read more
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Chapter 6 00. The average rent in a city is $1,570 per month
Chapter 6 00. The average rent in a city is $1,570 per month with a standard deviation of $200. Assume rent follows the normal distribution. Use the empirical rule to answer the following questions. a… read more
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3. A research institute polled asked repondents if they acted
3. A research institute polled asked repondents if they acted to annoy a bad driver. In the poll n=2410 and x=1020 who said that they honked. Use 95% confidence level. a. find the best point estimate … read more
Stevewh
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a. How likely is it to earn a return between 4 percent and
a. How likely is it to earn a return between 4 percent and 20 percent? (Enter your response as decimal values (not percentages) rounded to 2 decimal places.) Probability b. How likely is it to earn a … read more
Chirag
Chirag
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A recent CBS News survey reported that 56 percent of adults
A recent CBS News survey reported that 56 percent of adults felt the U.S. Treasury should continue making pennies. Picture Suppose we select a sample of 10 adults. (a-1) How many of the 10 would we ex… read more
Ryan
Ryan
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a random sample of four microwave ovens, the mean cost was
a random sample of four microwave ovens, the mean cost was &85.00 and the standard deviation was $13.50. The 90% confidence interval for the population mean u is (_,_) (round to two decimal places as … read more
Math-John
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The top food snacks consumed by adults aged 18-54 are gum,
The top food snacks consumed by adults aged 18-54 are gum, chocolate candy, fresh fruit, potato chips, breath mints/candy, ice cream, nuts, cookies, bars, yogurt, and crackers. Out of a random sample … read more
Ryan
Ryan
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Find the margin of error for the given values of c, s, and
Find the margin of error for the given values of c, s, and n. C=0.95, s=2.3, n=49 E=_________ (Round to three decimal places as needed) Construct the confidence interval for the population mean µ. C= … read more
Stevewh
Stevewh
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Suppose that a simple random is taken from a normal population
Suppose that a simple random is taken from a normal population having a standard deviation of 14 for the purpose of obtaining a 95% confidence interval for the mean of the population. a) If the sample… read more
Sandhya_sharma
Sandhya_sharma
Master's Degree
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