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In an instant lottery, your chances of winning are 0.2. If you play the lottery five times and outcomes are independent, the probability that you win all five times is:
A. 0.6723
B. 0.3277
C. 0.04
D. 0.00032
Critically discuss some examples of descriptive statistics? Why are they used in research? What is a confidence interval?
What is the probability that at least one of the new books is a commercial success?
The symbol beside the x should be a straight line, and the less than sign should have a bar under it. I did not know how to key these symbols.
what is coefficient of dispersion. amp why coefficient word is used
the shell of the land snail limocolaria martensiana has two possible color forms. streaked and pallid. in a certain
1. let x be normally distributed random variable with mu 100 and sigma 10. find the probability that x is between 75
Is there a method which is accepted across industries for determining the minimum size of valid sample? N>50 +(8m aka 8 times the number of independent variables)
What symbol is used to represent the mean of the sampling distribution of y-(ybar)? Explain and what symbol is used to represent one value from the sampling distribution of y-(ybar)? Explain
One of the herpetologists fears that pollution might be affecting the natural growth of the pythons. Do you think this sample result is unusually small? Explain. Show work.
Using the 0.05 level of significance, is there any evidence of a difference in the average life of bulbs produced by the two types of machines?
No children that is equal to the value obtained by the census. Give the z statistic (rounded to two decimal places) and the P-value. What do you conclude?
optimism and longevitya cancer specialist from the los angeles county general hospital lacgh rated patient optimism in
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