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The Palace Hotel believes it's customers may be waiting too long for room service. The hotel operations manager knows that the time for room service orders is normally distributed and he sampled 10 room service orders during a 3-day period and timed each ( in minutes) as follows:
23 2315 1226 1619 1830 25
The operations manager believes that only 10% of the room service orders should take longer than 25 minutes if the hotel has good customer service. Does the hotel room service meet this goal?
To find out the test statistics utilizing chi square method. A professional bowler has been having trouble 'hitting the pocket' in order to get strikes.
How do you classify statistical findings in order of power: nominal, ordinal, interval, and ratio? Give example by making up values.
What is the OR of getting cancer fora late child birth woman compared to an early first birth woman?
Determine the mean number of times the machine was used per day.
Assume that a simple random sample has been selected from a normally distributed population. Find the test statistic, P-value, critical value(s), and state the final conclusion.
Please use the regression procedure within Excel under Tools > Data Analysis to construct this equation.
Finding the probability value for the given data using normal approximation
What is the appropriate conclusion based on the outcome of the hypothesis test?
You can allow the cup to overfill 4% of the time. What amount should you set as the mean amount of coffee to be dispensed?
You are dealt 2 cards successively without replacement from a shuffled deck of 52 cards. Find the probability that the first card is a king and the second card is a queen.
Professor Jennings claims that only 35% of the students at Flora College work while attending school. The dean thinks that the prof. has underestimated the number of students with part-time or full-time jobs.
There are 4000 mangoes in a shipment. It is found that it a mean weight of 15 ounces with a standard deviation of 2 ounces.
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