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Misa earned a score of 79 on her latest exam. The professor determined that all of the scores from this exam had a normal distribution with a mean of 86 and a standard deviation of 4.
What is Misa's Z score on her exam?
Give your answer to the nearest integer.
compute the pearson correlation for the following set of scoresx 2 3 4 2 4y 2 7 6 4 6can you please show your
A day trader buys an option on a stock that will return $100 profit if the stock goes up today and loses $200 if it goes down. If the trader thinks there is a 75% chance that the stock will go up, what is his expected value of the option?
At the 5% level of significance, can we infer that branch A has a significantly higher proportion of satisfied customers than branch B?
Cold Stone Creamery has recorded demand for the particular flavor of ice cream during first seven days of July. Results are as follows: Forecast the sales for 8th day of July using 5-day moving average.
Suppose your analysis produced F 2.56 with 5, 75 df. How many treatment groups are in your experiment? What are the critical values for the .05 and .01 levels? What conclusion should you reach?
A typical equity section of the firm's balance sheet consists of three sections which are common stock outstanding
In 2004 ACT, Inc., reported that 74% of 1644 randomly selected college freshmen returned to college the next year. Estimate the national freshman-tosophomore retention rate.
The correlation between height and weight is r = 0.40 for 12th-grade male respondents (n = 1501) in a survey done in 2003 by the U.S. Centers for Disease.
find the lower end point of a 95 confidence interval for a population proportion based on a sample size of 100 if the
People enter a department store according to a Poisson process with rate a per hour. It is known that 30% of those entering the store will make a purchase.
Personal probability versus data. Give an example in which you would rely on a probability found as a long-term proportion from data on many trials.
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