Calculus and Above

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1. On the average, there are 500 mg of aspirin in an “Extra
1. On the average, there are 500 mg of aspirin in an “Extra Strength” aspirin tablet. Suppose the random variable assigning amount of aspirin in a tablet is normally distributed with standard deviatio… read more
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How does this work? and how much does this cost. Statistics
Ryan
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Can you help, a. Determine the quartiles of the variable. a.
a. Determine the quartiles of the variable. a. Determine the quartiles of the variable. … read more
Ryan
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Score ​-3.0 -2.8 ​-2.6 ​-2.4 ​ -2.2 ​-2.0 ​ -1.8 ​-1.6 ​-1.4
score ​-3.0 -2.8 ​-2.6 ​-2.4 ​ -2.2 ​-2.0 ​ -1.8 ​-1.6 ​-1.4 ​-1.2 Percentile 0.13 0.26 0.47 0.82 1.39 2.28 3.59 5.48 8.08 11.51​z-score ​-1.0 ​-0.8 ​-0.6 ​ -0.4 ​-0.2 0.2 0.4 0.6 0.8 1 Percentile 15.… read more
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I need help. I'm trying to determine the likelihood of a
I need help. I'm trying to determine the likelihood of a response in thresholds (ranges) given historical data. For example: On a survey that has a 100 data points, with a mean score of 60 and a stand… read more
Rajan.Sareen
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Recently, the bowling scores of a certain bowler were normally
Recently, the bowling scores of a certain bowler were normally distributed with mean 201 and standard deviation 23.The best score is 299. Find the percentile that corresponds to this score, and explai… read more
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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
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Hi I am struggling answering two questions on my homework and
Hi I am struggling answering two questions on my homework and would like some assistance. However, I do not just want the answer. I would like to see how the work was done, so I can try to figure this… read more
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7.) Use the table of cumulative areas under the normal curve
7.) Use the table of cumulative areas under the normal curve to find the z-score that corresponds to the given cumulative area. If the area is not in the table, use the entry closest to the area. If t… read more
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5.15 When a customer places an order with Rudys On- Line
5.15 When a customer places an order with Rudy's On- Line Office Supplies, a computerized accounting information system (AIS) automatically checks to see if the customer has exceeded his or her credit… read more
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for positive value of Z, the probability that a standard normal
for positive value of Z, the probability that a standard normal variable is between 0 and Z is .3340. The value of Z is… read more
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1) A set of 50 data values has a mean of 27 and a variance
1) A set of 50 data values has a mean of 27 and a variance of 16. I. Find the standard score (z) for a data value = 19. II. Find the probability of a data value < 19. 2) Find the area under the sta… read more
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1. A set of 50 data values has a mean of 44 and a variance
1. A set of 50 data values has a mean of 44 and a variance of 16. I. Find the standard score (z) for a data value = 51. II. Find the probability of a data value < 51. 2. Find the area under the sta… read more
Scott
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Kyle averages 5 finished accounts a day. His standard deviation
Kyle averages 5 finished accounts a day. His standard deviation is 1 account per day and we want the percentile for a day where he finishes 8 accounts. The percentile will be between…… read more
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Kelly averages 93 TPS reports per day with a population standard
Kelly averages 93 TPS reports per day with a population standard deviation of 23. She is leaving the company in the next month or two and they are trying to get a replacement that can at least start o… read more
Osbert12
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1. With regards XXXXX XXXXX standard normal distribution complete
1. With regards XXXXX XXXXX standard normal distribution complete the following: (a) Find P(z > 0), the percentage of the standard normal distribution above the z-score of 0. (b) Find P(z < -2.2… read more
Osbert12
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Hi Greg, I have another assignment if you want it. Please
Hi Greg, I have another assignment if you want it. Please show the work. It's more intro statistics stuff. 1. A set of 50 data values has a mean of 30 and a variance of 4. I. Find the standard score (… read more
Mr. Gregory White
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1. For a particular sample of 63 scores on a psychology exam,
1. For a particular sample of 63 scores on a psychology exam, the following results were obtained. First quartile = 57 Third quartile = 87 Standard deviation = 9 Range = 51 Mean = 72 Median = 72 Mode … read more
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