Chapter 7: Q 46 (page 429)
46. Draw the graph from Exercise 7.45
Short Answer
The graph from Exercise 7.45 is given below:
Chapter 7: Q 46 (page 429)
46. Draw the graph from Exercise 7.45
The graph from Exercise 7.45 is given below:
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Get started for freeA uniform distribution has a minimum of six and a maximum of ten. A sample of is taken.
Find the th percentile for the sums.
Men have an average weight of pounds with a standard deviation of pounds.
a. Find the probability that randomly selected men will have a sum weight greater than lbs.
b. If men have a sum weight greater than lbs, then their total weight exceeds the safety limits for water taxis. Based on (a), is this a safety concern? Explain.
A uniform distribution has a minimum of six and a maximum of ten. A sample of is taken.
Find the first quartile for the sums.
An unknown distribution has a mean of 19 and a standard deviation of 20. Let X = the object of interest. What is the sample size if the mean of ΣX is 15,200?
Previously, De Anza statistics students estimated that the amount of change daytime statistics students carry is exponentially distributed with a mean of . Suppose that we randomly pick daytime statistics students.
a. In words,
b.
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d.
e. Find the probability that an individual had between . Graph the situation, and shade in the area to be determined.
f. Find the probability that the average of the 25 students was between . Graph the situation, and shade in the area to be determined.
g. Explain why there is a difference in part e and part f.
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