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How would I calculate this to get the probability. If a person bought 1 share of Google stock within the last year, what is the probability that the stock on that day closed at less than the mean for that year? Hint: You do not want to calculate the mean to answer this one. The probability would be the same for any normal distribution. This is from the close of NASDAQ date range of August 28, 2017 to August 27, 2018.
Find the probability that a randomly chosen respondent is a Democrat given that he or she is liberal.
Perform the Jarque-Berra test of normally distributed returns for each of Boeing and IBM Discuss your findings and also explain why do you test normality test
a) Show that P(X >or =x) = exp(- x/20) b) Find the cumulative distribution function F(x) of X. c) Find the expected failure time of the system
The sample mean is 12.5 pounds and the standard deviation is 9.2 pounds please compute the 95% confidence interval for the population mean.
Determine the least-squares regression line for predicting the rate of collision claims on the basis of theft frequency rating.- Calculate and interpret the values of r and r2.
The monthly average sales of the Smiling Ninja Computer Company may be approximated to a normal distribution curve. It has a mean of $22,000 and a standard deviation of $3,300.
What would be your estimate of how many data points we would need to start seeing that bell curve?
On the basis of the confidence interval found in part (a), can we infer that fewer than 50% of the population favors the proposed law?
The Survey of Study Habits and Attitudes (SSHA) is a psychological test that measures the motivation, attitude toward school, and study habits of students. Scores range from 0 to 200.
A total of 61,647 people responded to an Elle/ MSNBC.com survey. It was reported that 50% of the respondents were women and 50% men.
Conduct a one-tailed hypothesis test given the information below. A certain brand of fluorescent light tube was advertised as having an effective life span before burning out of 4000 hours.
1. A social scientist would like to use a pictogram in comparing the number of violent crimes against persons in 2006 with the comparable figure for 1960. Consider- ing that she can select from a wide variety of symbols to demonstrate these freque..
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