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Kurt's Adventures, Inc. stock is quite cyclical. In a boom economy, the stock is expected to return 30% in comparison to 12% in a normal economy and a negative 20% in a recessionary period. The probability of a recession is 15%. There is a 30% chance of a boom economy. The remainder of the time, the economy will be at normal levels. What is the standard deviation of the returns on Kurt's Adventures, Inc. stock?
If the sales are $150,000 per month, determine how much the company can expect to receive of this amount.
Drug sniffing dogs must be 95% accurate. A new dog is being tested and is right in 46 of 50 trials. Find a 95% confidence interval for the proportion of times the dog will be correct.
Katie is studying aggression among adolescent girls. She believes that there is a relationship between the level of interaction a girl has with her mother and her level of aggression.
If the population mean was $1047 in the previous year, does the evidence suggest that expenditure this year has significantly changed?
Create a 95 % confidence interval for the true mean. Why might normality be the issue here?
What is the probability that the average IQ, from a random sample of 64 individuals, is greater than 102?
Critically discuss how someone may use measures of central tendency, variation, or position in their home, school, or workplace.
Find the probability that an eligible voter selected at random will have the following characteristics.
Findout the variance also standard deviation for the 2 distributions above. Evalute the variation of the data sets.
Explain the applications of statistics in your own field (Business Administration/Accounting) - Construct a stem and leaf display.
The number of runs with respect to the sample median is:
As part of this trial, they want to find out whether there is a difference between effectiveness for women and for men. At = .05, what is the test value?
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