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Rolling a die Simulate 36 rolls of a fair die. Give the relative frequency and the corresponding theoretical probability of each of the outcomes and compare them.
Using symbols state hypotheses (H 0 and H 1 ) for two-tailed test. Sketch suitable distribution and locate critical region for a = 0.05.
Find the probability of getting a head and rolling a six
Is there a significant difference the four testing conditions?
A customer wants to estimate the average delivery time of a pizza from the local pizza parlor. The customer wants to obtain a sample mean that falls within 3.204 minutes of the true average delivery time with 99% confidence. If the customer knows ..
The p-value for a test statistic is .085, what is the minimum level of significance required to reject the null hypothesis?
Which measure of central tendency would you use to summarize the data below? Which inferential test would you use to determine if there is a difference in rainfall between the sample 2 and 3?
Perform all pairwise comparisons among the three programs, using a Tukey adjustment and an overall significance level of 0.05, then interpret all your results.
Can you conclude that the information in the article is untrue? Use the 0.05 significance level. Determine the p-value and explain its meaning.
Construct a 95% confidence interval for the average amount its credit card customers spent on their first visit to the chain's new store in the mall assuming that the amount spent follows a normal distribution.
An electrical firm manufactures electric light bulbs that have a length of life which is normally distributed with mean and standard deviation equal to 500 and 50 hours, respectively.
Determine the value of correlation coefficient between these 2 variables?
Compute the appropriate Test Statistic to test null hypothesis that mean of population is 4.3 against alternative hypothesis μ ≠ 4.3.
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