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1. Detail the course of the Crusades of the 11th through 13th centuries. Why did these wars occur? What were the results of these wars? Why were the Crusaders ultimately unsuccessful? (300 words)
2. Compare Islam and Christianity. How did the two arise? How are the faiths alike, and how are they different? How were Christian and Muslim states governed in the early Middle Ages? (300 words)
(a) Formulate the null and alternative hypothesis for this test situation. (b) Which test statistic (z or t) is appropriate for this test? Why?
Should the new pudding flavour be withdrawn? Advise the marketing manager by performing an appropriate hypothesis test at the 10% level of significance. Also show the null and alternative hypothesis for this test.
Find the mean and standard deviation of the number of bull s-eyes she may get.- What's the probability that she never misses?
The scores, X, of an examination may be assumed to be normally distributed with μ = 70 and σ2 = 49. What is the probability that:
The men took an average of 20.5 hours per year of personal time with a standard deviation of 2.75 hours. What is the pooled estimate of the variance? Round to three decimal places.
Explain why comparing children whose parents chose a Montessori school with children of other parents would not show whether Montessori schools perform better than other programs?
1. The Inn at Columbia has 150 rooms with standard queen-size beds and two two rates: a full price of $200 and a discount price of $120. To receive the discount price, a customer must purchase the room at least two weeks in advance (this helps to ..
A SRS of size 16 drawn from a Normally Distributed population has a mean of 30 and a standard deviation, s, of 5. With 95% confidence, what is the interval that captures the true mean of the population?
as reported by a source for statistics the mean serum high density of females 20-29 years old is 53. if serum
According to the Chebyshev rule, at least what percentage of the observation in any data set are contained within a distance of 3 standard deviations around the mean.
Construct and interpret a 95% confidence interval for the difference between female and male crossing times.- Comment on the assumptions and conditions.
A biologist randomly selects 10 portions of water, each equal to .1 cm3 in volume, from the local reservoir and counts the number of bacteria present in each portion. The biologist then totals the number of bacteria for the 10 portions to obtain a..
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