Calculus and Above

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To learn about the proportion of SFSU students that pay
To learn about the proportion of SFSU students that pay out-of-state tuition, we took a sample of 250 students and learnt that 80 of them pay the out-of-state tuition. Construct a 95% confidence inter… read more
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I need to solve a homework that is related to statistics
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The manager of a grocery store has taken a random sample of
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The average price of a​ 42-in. television on an electronics​
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Last Question 5. A standard IQ test produces normally
Last Question 5. A standard IQ test produces normally distributed results with a mean of 100 and a standard deviation of 15. If an average IQ is defined to be any IQ between 90 and 109, find the proba… read more
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A company produces steel rods. The lengths of the steel rods
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A company produces steel rods. The lengths of the steel rods
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In a random sample of six microwave​ ovens, the mean repair
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Question 1 of 20 5.0 Points The lifetimes of light bulbs of
Question 1 of 20 5.0 Points The lifetimes of light bulbs of a particular type are normally distributed with a mean of 270 hours and a standard deviation of 11 hours. What percentage of the bulbs has l… read more
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1. The cashier service time at the local branch of the Rivertown
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1. If Z is a standard normal variable, what is the probability
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What is the probability that a pipe is between 10.22ft and 10.35ft
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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
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" Please Write Out All Steps Taken To Get Too The Answer -
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1. The smaller the p-value, the more we doubt the null hypothesis?
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Explain what a “sampling distribution of sample means” is.
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