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Question:
a) If a person is randomly selected, find the probability that his or her birthday is October 18, which is National Statistics Day in Japan. Ignore leap years.
b) If a person is randomly selected, find the probability that his or her birthday is in the month of September. Ignore leap years.
She wants to be 90% confident and be accurate within 5% of the true proportion. Find out the minimum sample size necessary.
If the weight distribution is known to be normally distributed, do the data support the veterinarian's suspicion? Conduct a hypothesis test at the 5% significance level. Define your parameter (μ), state your hypotheses, conduct the test and write ..
Prepare a 1,050- to 1,750-word paper describing the results of a hypothesis test of one population mean or population proportion.
How could we rescreen for defective units from a population of 900 units and establish a 95% confidence that the whole 900 units are acceptable.? How many would we need to check out of the 900?
Seven employees were included from Area A, 9 from Area B and 12 from Area C. The test statistic was computed to be 4.91. What can we conclude at the 0.05 level?
Suppose that the probability that the student knows the answer to the question is 0.80 and the probability that the student guesses is 0.20. What is the probability that the fixed question is answered correctly?
The standard deviation was $6050. Is there evidence at the 1% significance level that the cost of attendance has increased? State the hypothesis?
Compute the Kappa statistic and its standard error regarding reproducibility of the diagnosis of dyspnea in the clinic.
Normal distribution with a mean value of 150 sec and a standard deviation of 20 sec. The fastest 10% are to be given advanced training. What task times qualify individuals for such training?
Test hypothesis that mean weight of 2 sheets are equal against alternative that they are not(suppose equal variances). Use α=0.05 and suppose equal variances. Determine the P value.
1 sandra has three suitors and has to decide which to take to the big dance.nbsp their romance geekiness and the chance
Level of significance, can we conclude that there are differences in the perceptions for marketing managers, marketing research specialists, and advertising specialists. Use Fisher's LSD approach to determine where the differences occur.
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