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The number of marriage licenses issued in a certain city during the month of June may be looked upon as a random variable with μ = 124 and σ = 7.5. According to Chebyshev's theorem, with what probability can we assert that between 64 and 184 marriage licenses will be issued there during the month of June?
The results of a calculus exam are normally distributed with a mean of 76 and a standard deviation of 6. Find the percentage of students that scored above 70.
Standard deviation of $5,000. What is the lowest salary for those individuals with an MBA degree whose starting salary is in the top 10 percent?
(i) Make a two-way table of "environment temperature" against "hatched or not." (ii) The researchers anticipated that eggs would hatch less well at cooler temperatures. Do the data support that anticipation?
1.according to recent reports 30 of americans are now classified as obese. a sample of 800 americans found that 278 of
How would you choose an appropriate level of significance for your statistical test? What are the possible outcomes and limitations or your statistical test?
use the poisson model to approximate the probability. round your answer to four decimal places. 32the probability that
State the null hypothesis and the alternate hypothesis. State the decision regarding the null hypothesis.
a random sample of size 36 is selected from a population whose mean is 30 and standard deviation is 6. calculate the
The Quick Change Oil Company has a number of outlets in the Seattle area. The daily number of oil changes at outlet in past twenty days are:
One minute follows a Poisson distribution with mean of 1.8. In a 10- minute span of time, what is the probability that the team scores exactly 25 points.
Past studies have revealed that only 88% of booked passengers actually arrive for flight.) Determine probability that if airline books 17 persons, not adequate seats will be available.
question to estimate the prevalence of hiv the state of new york implemented a policy of testing women who gave birth.
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