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Conduct the hypothesis test and provide the test statistic, critical value and or P-value, and state the conclusion.
Kentucky Derby The table below lists the frequency of wins for different post positions in the Kentucky Derby horse race. A post position of 1 is closest to the inside rail, so that horse has the shortest distance to run. (Because the number of horses varies from year to year, only the first ten post positions are included.) Use a 0.05 significance level to test the claim that the likelihood of winning is the same for the different post positions. Based on the result, should bettors consider the post position of a horse racing in the Kentucky Derby?
Post Position
1
2
3
4
5
6
7
8
9
10
Wins
19
14
11
A car insurance compancy has recorded the number of claims for the past quarter by age and gender. The information is recorded below.
If appropriate, use the Marascuilo procedure and α = .01 to determine which, if any, year groups are significantly different in the proportion of passengers who book tickets online.
Find the p-value of a two-tailed test if x (x bar) =51.8 and s =10.4. P= ___ (rd. to 4 dec. places). Find the p-value of an upper-tailed test if x (x bar) = 51.8 and s= 10.4. P= ___ (rd. to 4 dec. places)
Fishing Northern Pike. Athabasca Fishing Lodge is located on Lake Athabasca in northern Canada. In one of its recent brochures, the lodge advertises that 75% of its guests catch northern pike over 20 pounds.
Suppose that the scores of architects on a particular creativity test are normally distributed. What percentage of architects have Z scores? a. above .10; b. below .10
suppose that during a manufacturing process a certain proportion of the products are flawed and have to be rejected by
a national sample of 2728 adults aged 18 and older surveyed over the telephone using bother landlines and cell phones
chemical company claims the one majory product has on average 4.0 fluid oz of caustic materials per gallon.it further
The Wilcoxon rank sum of the ranks for group and The value of the Wilcoxon signed rank statistic
Suppose each trial for pins takes 12 minutes and each trial for shafts takes 25 minutes. What is the expected value and variance of the total time required?
tossing for astragali was the most popular game of the chance in roman times. many throws of one present-day astragalus
a study looks at patients who were mechanically ventilated in the intensive care unit. the researchers found that of
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