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In 280 trials with a professional touch therapist, correct responses to a question were obtained 1223 times. The P-value of 0.979 is obtained when testing the claim that p > 0.5 (the proportion of correct responses is greater than the proportion of 0.5 that would be expected with random chance). What is the value of the sample proportion? Based on the P-value of 0.979, what should we conclude about the claim that p > 0.5?
a. Refer to Exercise 3 and distinguish between the value of p and the P-value
b. If the P is low the null must go. If the p is high, the null will fly. What does this mean?
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Determine the probability that no female are hired. Determine the mean and standard deviation of X.
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Determine the following probabilities: Events A and B are mutually exclusive events defined on common sample space.
A regression equation was computed to be Y'=35+ 6X. The value of the 35 indicates that
It is interested in estimating a 99.97% worst case for percentage of loan that defaults on the portfolio. Show how this varies with the copula correlation.
Critically discuss the purpose of developing a frequency distribution? What is the relationship between the relative frequency and the cumulative frequency? Could a frequency distribution contain qualitative data? Why?
Test for single Proportion - Are the data consistent with the model? Answer yes or no, and explain briefly.
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