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In baseball, a "no-hitter" is a regulation 9-inning game in which the pitcher yields no hits to the opposing batters. Chance (Summer 1994) reported on a study of no-hitters in Major League Baseball (MLB). The initial analysis focused on the total number of hits yielded per game per team for all 9-inning MLB games played between 1989 and 1993. The distribution of hits/9-innings is approximately normal with mean 8.72 and standard deviation 1.10.
a. What percentage of 9-inning MLB games results in fewer than 6 hits?
b. Demonstrate, statistically, why a no-hitter is considered an extremely rare occurrence in MLB.
By using standard normal table, determine critical value (or values) for= 0.14 right-tailed test.
Construct a 95% confidence interval for the proportion and calculate the P value for the given test.
Two balanced dice are rolled and the number of dots facing up is added. Find the probability that the sum is 10 or 12.
Three members of a club will be selected to serve as officers. The first person selected will be president, the second person will be vice-president and the third will be secretary/treasurer.
The results of a calculus exam are normally distributed with a mean of 76 and a standard deviation of 6. Find the percentage of students that scored above 70.
Construct a 95% confidence interval estimate for the population proportion of adults who report that e-mails are easy to misinterpret.
If the t ratio for the slope of a simple linear regression equation is equal to 1.614 and the critical value of the t distribution at the 1% and 5% levels of significance, respectively, are 3.499 and 2.365 is the slope:
How much does the low temperature vary on this date? In other words calculate the variance and standard deviation?
The mean number of passengers per flight is 160 with a standard deviation of 20. The aircraft used for the route has 200 seats.
Compute Pearson's correlation coefficient between age and amount spent on this particular product.
What is Optimal solution? Using Linear Programming or any other methods (Optional) Explain in Detail What does it mean "Optimal Solution"?
What is the purpose for post tests? To determine how much difference exists between the treatments.
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