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1. Roll two dice six times. We are interested in how many times (out of these six rolls) that the sum of the dice equals seven.
a. Show that this scenario satisfies the conditions of a Binomial Distribution, determine what a "success" is and state what the random variable X stands for.
a. Use =binom.dist(____, ____ , ____ , false ) to generate the probability distribution.
a. What is the probability that the sum is seven exactly 3 times?
b. What is the probability that the sum is seven at most 4 times?
c. What is the probability that the sum is seven more than once?
d. What is the expected value (mean) of this binomial distribution?
e. What is the distribution's standard deviation, s?
it is claimed that in a bushel of peaches less than ten percent are defective. a sample of 400 peaches is examined and
Define the parameter of interest. State the hypotheses and Determine the test statistic and p-value considering any necessary assumptions Decide whether to reject or not reject the null hypothesis
Construct a 99% confidence interval for the mean d of the population paired differences, where a paired difference is equal to the time taken before.
An independent financial advisor claims an average rate of return, μ, on a particular investment is at least 7%. In testing her claim, the correct pair of hypotheses is:
Using the technique you have identified as being most appropriate you are then required to analyse AMP given in example of Thomson ONE Banker Analytics website .
Carpal tunnel. The painful wrist condition called carpal tunnel syndrome can be treated with surgery or less invasive wrist splints.
Find the probability of a Type II error if in fact the mean waiting time is actually 9.8 minutes.
Write sentences that distinguish between a statistically significant difference and an important difference.
What is the probability that a randomly selected student will have a score of 80 or higher? If there were 97,680 students with scores higher than 91, how many students took the test?
What are some conditions under which business decisions are made using subjective probability concepts? Could you please cite two examples of subjective probability.
A correlational study is used to examine the relationship between two variables but cannot determine whether it is a cause-and-effect relationship.
The stationary Gaussian random sequence Xn has expected value E[Xn] = 0 and autocorrelation function RX [k] = cos(0.04πk). Use gaussvector to generate and plot 10 sample paths of the form X0,..., X99. What do you appear to observe? Confirm your su..
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