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Suppose that a box contains five coins, and that for each coin there is a different probability that a head will be obtained when the coin is tossed. Let p, denote the probability of a head when the ith coin is tossed (i= 1, . .. , 5), and suppose that
(a) Suppose that one coin is selected at random from the box and that when it is tossed once, a head is obtained. What is the posterior probability that the i th coin was selected (i = ], . . . , 5)?
(b) If the same coin were tossed again, what would be the probability of obtaining another head?
(c) H a tail had been obtained on the first toss of the selected coin and the same coin were tossed again, what would be the probability of obtaining a head on the second toss?
Create a probability model for the outcome on the spinner.- Find the mean and standard deviation of the spinner results.
Physical Sciences It is important to maintain a low ammonia-ion concentration in freshwater aquariums to ensure healthy fish (and plants).
The owner of a chain of ice cream stores would like to study the effect of atmospheric temperature on sales during the summer season.
Consider the standard error of a sample proportion obtained from a sample of size 100. Determine the standard error obtained from a population with p = 0.1.
They found that those with higher levels of cigarette use had lower GPAs, and vice versa. What can you rightfully conclude from this? Why? Be specific about what this kind of information may indicate and mean.
Based on what you have covered in the course through Unit 7, discuss the pros and cons of hypothesis testing from your viewpoint. Why do you think hypothesis testing can lead to skepticism in general? Remember to cite your resources and use your o..
1. How does the denominator of the F-ratio (the error term) differ for a repeated-measures ANOVA com- pared to an independent-measures ANOVA?
1. Assume that a random variable is normally distributed with a mean of 1,500 and a variance of 324. a. What is the probability that a randomly selected value will be greater than 1,550?
The manager of a restaurant knows from experience that 70% of the people who make reservations for the evening show up for dinner.
Assume that the population proportion is .55. Compute the standard error of the proportion,(), for sample sizes of 100, 200, 500, and 1000 (to 4 decimals).
In what height interval must the company expect to determine middle 70% of kindergarteners?
a researcher in colorado is trying to improve plant growth. they want to see how combinations of different brands of
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