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Twice the Comfort
What was called the tallest hotel in North America opened recently in New York City. Well, it's really two hotels, near Times Square. Floors 6-33 are a Courtyard by Marriott, and floors 37-65 are a Residence Inn by Marriott.42 The price per room on any floor is high, due to the location near Times Square and Central Park. A sample of guests was obtained, and each was classified by hotel within the hotel, Courtyard (C) or Residence Inn (R). The ordered observations are given in the following table.
a. Use the runs test with a ≈ 0.05 to determine whether there is any evidence to suggest that the order of observations is not random with respect to hotel (within the hotel).
b. Find the p value associated with this test.
what critical value t from table c would you use for a confidence interval for the mean of the population in each of
You would like to know if operating red-light camera can actually reduce the number of traffic violation. We know that the average number of tickets before the implementation of red-light camera on daily basis was 15.
The remainder are defective. If 4 of the products are randomly selected, find the probability that all of them are acceptable.
The random variable x is known to be uniformly distributed between 70 and 90. The probability of x having a value between 80 to 95 is
a researcher is interested in the relationship between the numbers of games won by football teams and the number of
1. Exploratory Data Analysis. a. Perform exploratory data analysis on all variables in the data set. Realizing that you have six groups, be sure that your exploratory analysis is broken down by group. When possible, include appropriate graphs to h..
A competitive school requires an applicant to have an IQ score in the top 10% of adults. What is the cutoff score?
Give the 90% confidence interval for the mean score in the population of all young women.
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Industry standards recommend that 9 percent of new vehicles need warranty service in the first year. Determine the probability that none of these vehicles needs warranty service?
You are skeptical of the business school claim and decide to evaluate the salary of the business school graduates, using ?= 0.05 (2-tail) what do you conclude?
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