Calculus and Above

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1. Suppose the time to complete a 200-meter backstroke swim
1. Suppose the time to complete a 200-meter backstroke swim for female competitive swimmers is normally distributed with a mean μ = 141 seconds and a standard deviation σ = 7 seconds. Suppose that to … read more
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1. Normal Distributions: Finding Values Data from a state
1. Normal Distributions: Finding ValuesData from a state indicate that scores on the SAT test are normally distributed with a mean of 1120 and a standard deviation of 200. Scores on the ACT test are n… read more
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On the final exam in a large statistics class, the mean
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Suppose that we have a binomially distributed random
suppose that we have a binomially distributed random variable with p(success)=0.6. in 15 trials, what is the probability that we will observe exactly 4 successes ?… read more
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If X is a normally distributed random variable with a mean
If X is a normally distributed random variable with a mean of 25 and a standard deviation of 3.8, what is the probability that an instance of X, Xi, will be greater than 24.544?… read more
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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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The question is assuming body temperature is normally
the question is assuming body temperature is normally distributed what is the range(low to high) of body temperatures for the middle 68% of normal healthy adults … read more
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Attachment: 2015-05-12_195353_exam_4_stastic.docx ATTENTION RYAN: STASTIC HOMEWORK 1. The amount of Jen's monthly electric bill is normally distributed with a mean of \$160 and a standard deviation of … read more
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The monthly incomes for 12 randomly selected people
13.) The monthly incomes for 12 randomly selected people, each with bachelor's degree in economics, are shown on the right: 4450.77 4596.43 4366.21 4455.62 4151.34 3727.06 4283.99 4527.57 4407.44 3946… read more
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Subject: Quantitative approach to business decision-I need
Subject: Quantitative approach to business decision-I need assistances with 25 questions (multiple choice or true/false). 2.5 hours to complete.… read more
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1) (A) Classify the following as an example of nominal, ordinal,
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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
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1. With regards XXXXX XXXXX standard normal distribution complete
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For a particular sample of 63 scores on a psychology exam,
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1. For a particular sample of 63 scores on a psychology exam,
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Stats Questions,1. Assume a sample has been selected at
Stats Questions, 1. Assume a sample has been selected at random from a large population. Which of the following five statements is correct. A. The standard error equals the standard deviation of the s… read more
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Hello, can you tel me passing score for each subject based
Hello, can you tel me passing score for each subject based on the following information- thank you SUBJECT MEAN SD #examinee EXAMNEES INT. MEDICINE 67.8 7.5 68 OB/GYN 75.9 6.0 35 PEDIATRICS 65.5 6.3 3… read more
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