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An executive believes that no more than 80% of the company's employees take all of theirvacation days. In a sample of 190 members, 142 employees took all of their vacation days.Therefore, the pvalue is 0.0349. When testing the executive's (using a 1% level ofsignificance), what can you conclude concerning the null hypothesis?
Reject the null hypothesis or Fail to reject the null hypothesis?
Use Bayes' rule to find conditional probability which Julianne is carrier, given that she and Jason have one child who doesn't have CF.
a pizza house is considering offering the following special pizza delivered in less than 30 minutes or the pizza is
Give the Z- score cutoff (or cutoffs) on the comparison distribution at which the null hypothesis should be rejected
Suppose that 47 showed reduced allergic reactions and 17 showed an increase in allergic reactions. Are these results sufficient to conclude that the self hypothesis has a significant effect.
What is the probability that an employee selected at random will need either corrective shoes or major dental work?
A spinner has the numbers 1 thru 9. The spinner is spun once. What is the probability of P (3, 6 or 8)? Write the answer as a percent.
question 1 the annual precipitation amounts in a certain mountain range are normally distributed with a mean of 88
How large a sample is needed to estimate the true proportion of defective components to within 2.5 percentage points with 99% confidence?
the distribution of the annual incomes of a group of middle management employees approximated a normal distribution
Develop a joint probability table for these data. If a student goes full time, determine the probability that school quality is first reason for selecting a school?
Winnipeg during rush hour are occupied by just the driver. If you choose 12 vehicles at random, what is the probability that 7 or more carry just the driver?
listed 3.52 8.87 3.99 3.61 2.33 3.21 0.25 4.94 are weights in pounds of glass discarded in one week by randomly
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