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Estimate a probability that a seed from new plant will germinate a random sample of 3000 seeds, of those seeds 2430 germinated
a) Use relative frequencies to estimate that the seed will germinate, estimate the probability that the seed will not germinate
b) What is the sample space for this problem and does it add up tp 1? are the outcome in the sample space equally likely?
The point estimate for the difference between the proportions is:
Assuming the nurses surveyed were a simple random sample from the population of all nurses in the United States, find the appropriate null hypothesis for these data
A study of 20 worldwide financial institutions showed the correlation between their assets and pretax profit to be .86. At the .05 significance level
From a previous study, the standard deviation of the ages is known to be 3 years.
Effectiveness White flies are devastating California crops. An area infested with white flies is to be sprayed with a chemical which is known to be 98% effective for each application.
Two events are mutually exclusive: If their intersection is 1, If they have no sample points in common.
What is meant by a probability distribution? Discuss how you could use one of the text probability distribution at your workplace to help solve a business problem.
The following data show the cost of electricity during August 2010 for a random sample of 50 one-bedroom apartments in a large city:
Determine the probability that: a) Exactly 3 will have this mild side effect.
In a certain town, 30% of adults have a college degree. The accompanying table describes the probability distribution for the number of adults (among 4 randomly selected adults) who have a college degree. Find the standard deviation for the probab..
The probability of an randomly selected person quits a team is 0.125. Assume the team has n members. Determine the smallest n that the team needs to have if the probability of the team has at least 20 members left is 0.9.
Evaluate true mean delivery time to within 5 minutes at 90% reliability level? Suppose that standard deviation for delivery times is 18.2 minutes.
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