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Question: Marketing companies are interested in knowing the population percent of women who make the majority of household purchasing decisions.
1. When designing a study to determine this population proportion, what is the minimum number you would need to survey to be 90% confident that the population proportion is estimated to within 0.05?
The average speed of greyhound dogs is about 18.8 meters per second. A particular greyhound breeder claims that her dogs are faster than the average greyhound. In a sample of 45 dogs, they ran, on average, 19.2 meters per second with a standard de..
obtain the linear correlation coefficient for the data. round your answer to three decimal places. the data below show
Addie, who is blindfolded, selects a box at random and draws one envelope from the box. The envelope contains a $5 bill. What is the probability that Addie picked the second box?
use the distribution tool to find the t values that form the boundaries of the critical region for a two-tailed test with o= .05 for each of the following sample sizes. use three decimal places.
This is my prompt and I need help. I cannot go past the Thoreau position. How can you please help. In "Civil Disobedience" (pg. 161-175), Thoreau asserts that sometimes it may be necessary to break the law.
Now we are going to talk about continuous probability distributions. In a continuous probability distribution, the variable can have a value within a range.
The headlight bulb of a car owned by a professor has an exponential time to failure with a mean of 100 weeks. The professor has fitted a new bulb 50 weeks ago.
What is the fewest number of eggs possible in the basket? Please explain step by step how to get to the fewest number of eggs in detail on what you did?
Let X be the mean of a random sample of size n from a distribution that is N(µ, u2), where the positive variance u2 is known. Use the fact that (1)(2) - Cl>( -}) = 0.954 to find, for each µ,
Research results suggest that IQ scores for boys are more variable than IQ scores for girls (Arden & Plomin, 2006). A typical study looking at 10-year-old children classifies participants by gender and by low, average, or high IQ.
1. determine if this study is experimental or observational researchers monitor the health of smokers and
If it is known that Trish drew at least 1 black card, what is the probability that she drew no more that 2 black cards? Hint: Use your table from part (a)
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