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In designing an experiment involving a treatment applied to 5 test subjects researchers plan to use a simple random sample of 5 subjects from a pool of 65 available subjects. Answer below.
A. how many different simple random samples are possible?
Statistics and Probability, Statistics
Compounding and Period: As you increase the length of time involved, what happens to future values? What happens to present values? The present value of annuity will increase as well as the future value when you increase ...
Identify and describe the six types of e-commerce. Give an example for each one.
Jen and Barry calculate the overall cost per shift y for "Jen & Barry's Fast Fresh Salad Bags". They determine that 20 salad bags can be produced for a total cost of $80 and that 50 salad bags can be produced for total c ...
What is the sample size for studies with MOE of +/-3.5% and +/-2.8%?, with a confidence level of 95%, sample statistics of .50? Please show work.
Taylor found that 8% of the recipients of loans from a particular mortgage lending institute default within the first 3 years. If he takes a random sample of 4 customers, who received loans 3 years ago, what is the proba ...
Assume that showing a car is a Bernoulli trial, and each time she shows a car, there is a probability of 0.15 that the customer will buy the car. The saleswoman has a goal of selling at least one car a week. 1) How many ...
Performance scores on a motor skills task form a normal distribution with μ = 20 and σ = 4. A psychologist is using this task to determine the extent to which increased self-awareness affects performance. The prediction ...
The local amateur football club spent ?$2289 on tickets to a professional football game. If the club bought 64 fewer fifteen dollar tickets than five dash eighths the number of twelve dollar ?tickets, how many tickets of ...
A stock's price fluctuations are approximately normally distributed with a mean of $104.50 and a standard deviation of $23.62. You decide to purchase whenever the price reaches its lowest 20% of values. What is the most ...
1. Summary statistics for returns on two stocks X and Y are listed below. Mean Variance Stock X 2.83% 0.006000 Stock Y 5.98% 0.003000 The covariance of returns on stocks X and Y is 0.001500. Consider a portfolio of 80% s ...
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