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In a sample of 60 mice, a biologist found that 46% were able to run a maze in 30 seconds or less. Find the 99% limit for the population proportion of mice who can run that maze in 30 seconds or less?
a. 31.0% < p < 61.0%
b. 21.1% < p < 70.9%
c. 37.7% < p < 54.3%
d. 29.4% < p < 62.6%
At 1 excavation site 8641 pot shards have been found that have not presently been cleaned also identified. Define the probability.
Suppose you were to cut up the directory and pull out one listing at random to contact.
Which of following statements would be right concerning a twotail test at 0.05 level of significance? We can conclude that average cottage cheese consumption in America is at least 0.705 pound more or less than 2.75 pounds per person per year.
For certain bird species, wiith appropriate assumptions, the number of nests escaping predation has a binomial distribution. Suppose the probability of success (that is, a nest's escaping predation is .3. Find the probability that at least half of..
Jim and Mike go to a coffee shop during their lunch break and toss a coin to see who will pay. The probability that Mike will pay three days in a row is 0.125.
(A) What is the probability that none of the components will fail ??? (B) What is the probability that at least one component will fail ???
To find z-score and required probabilities based on Normal distribution. Assume that childrens weekly allowances are normally distributed in the population.
Create a 95% confidence interval for mean cost of repairs. Interpret this interval.
Determine the highest number of miles (to nearest whole number) that motorist could drive in month and still qualify for discount?
Henry performed a two-tailed test for an experiment in which N = 24. He could not find his table of t critical values, but he remembered the tcv at df = 13. He decided to complete his obt.with this tcv. Is he more likely to make a type I or II err..
A poll found that 38% of male voters and 46% of female voters support a particular candidate. To test whether this candidate has equal levels of support between male and female voters, the null hypothesis should be:
In Colorado Springs the newspaper runs mug shots of wanted criminals. The 17% of those published are arrested through information provided to the police. If 200 are published, find the probability that less than 30 are arrested.
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