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1. If a seed is planted, it has a 60% chance of growing into a healthy plant. If 9 seeds are planted, what is the probability that exactly 3 don't grow?
2. A manufacturing machine has a 8% defect rate. If 8 items are chosen at random, what is the probability that at least one will have a defect?
Is there any evidence to suggest that the mean floor area of very large buildings is greater than 9 million square feet? Assume the underlying population is normal and use a = 0.05.
the number of spam emails received each day follows a poisson distribution with a mean of 50. approximate the following
question 1 a dice is rolled five times.i what is the probability that it shows 3 even numbers?ii what is the
judy is going to silver dipper ice cream shop to get a treat. she has 12 flavors of ice cream to choose from. there are
Find the probability that the number that say they would feel secure is (a) exactly five, (b) more than five, and (c) at most five.
suppose we want to determine the binomial probabilityp of getting 4 heads in 15 flips of a 2-sided coin.nbsp using
If 120 of the faculty and 150 of the students voted in the 2016 Presidential election, is there enough evidence at the 5% level of significance to support the researcher's claim?
suppose that you are trying to estimate average iq and its standard deviation. you know that iqs are distributed
random samples of 100 men and 100 women were collected from the 2008 general social survey with each person reporting
What is the minimum sample size required to assure that your sample proportion "p" will be within the required margin of error around the population proportion "p". Use the traditional methods for testing hypotheses and show the results of all ste..
Determine and interpret the p-value for the test. Source: Bureau of the Census, Statistical Abstract of the United States 2009, p. 163.
Recently, a study was conducted in which a random sample of hospitals was selected from each of four categories of hospitals.
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