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Set 1: 48.2 58.3 62.1 53.8 72.4 56.8 54.1 66.4
Set 2: 44.5 52.1 54.2 46.4 52.7 74.2 51.3 52.4
a. With 90% confidence levels, determine wheter the two samples are statistically the same or different.
b. Find the range for the true(or population) mean for each set with 90% confidence levels.
Find the probability that the average of those counts is more than 81.4 mosquitos per square meter. Assume that the variable is normally distributed.
Suppose a simple random sample of size 43 is selected from a population with = 11. Find the value of the standard error of the mean in each of the following cases.
The hole diameter is carefully measured (in cm) for 12 randomly chosen parts. At α = .05, do these independent random samples prove that the new process has smaller variance?
q1. in each of the following statements identify what is wrong.a. the probability that a randomly selected person has a
Last year, television station WXYZ's share of the 10 P.M. news audience was approximately equal to, but not greater than, 25%. The station's management believes (and would like to claim for advertising purposes) that the current share is higher th..
Prepare a power curve for this decision rule
Rewrite the equation in slope-intercept form. Then identify the slope and the y-intercept of the line.
What is the natural model for design and how many d.f. are there for each term in the model - design while the design was still being created.)
Twenty defective products are found after a long working day. What is the probability that all the defective products can be reworked?
A baseball player hits 59 home runs during a season with 161 games. What is the empirical probability that the player would hit at least one home run during any given game of the season?
To find out whether two categorical variables are independent, one should use the.
an insecticide company exposes 10000 cockroaches to its newest product and exposes another 10000 to their previous
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