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To find out the probability of the sample average number of strokes exceeding 4.750. A PGA (Professional Golf Association) tournament organizer is attempting to determine whether hole (pin) placement has the important impact on the average number of strokes for the 13th hole on a given golf course. Historically, 0 pin has been placed in the front right corner of the green and the historical mean number of strokes for the hole has been 4.25, with a standard deviation of 1.60 strokes. On a particular day during the most recent golf tournament, the organizer placed the whole (pin) in 0 back left corner of the green. 64 golfers played the hole with the new placement on that day. Find out the probability of the sample average number of strokes exceeding 4.750.
the maximum point total for the quarter was 200. The point totals for the 10 students are given in the stemplot below. For the density curve displayed below, which of the following is true?
Perform a chi-square test on the following data:
Mean threshold values and standard deviations for the three groups are given below. Normal probability plots showed the three populations were well approximated by the Normal distribution.
When using past data, I have found that the proportion of items rejected by quality control personnel is about 3%. We normally make 5000 items per day. For a p chart, what are the upper and lower control limits?
The alternative hypothesis is true. In this case the consumer advocacy group will have, A consumer advocacy group doubts this claim and tests the hypotheses
Evaluate the strength of the relationship by computing the coefficient of determination.
Construct a 99% confident interval for the standard deviation of the amount of vitamin B6 per pill.
Construct a 95 percent confidence interval for the true mean.
Calculate a 3-month moving average forecast for months 4 through 9 also Compare the two forecasts by utilizing MAD. Which forecast appears to be more accurate.
What is the probability that none are a commercial success?
Here are the DMS odor thresholds for 10 untrained students:
A survey of the residents of a new subdivision on why they happened to select that area in which to live. You also wish to secure some information about what they like and do not like about life in the subdivision.
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