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One of the most controversial debates in all of mathematics is the validity of certain statistics. For example, it is estimated that 80% of the United States population will acquire the HPV virus during their lifetime.
Do you think that these types of statistics can ever be accurate? How could this statistic be biased? In what ways could scientists misinterpret the results of their studies and come up with an incorrect statistic? What are your thoughts?
A set of 50 data values has a mean of 15 and a variance of 25. Find the standard score of a data value = 30.
Utilize this information to construct a probability table, and then calculate each of the given probabilities:P (female and domestic car).
The American Sugar Producers Association wants to estimate the mean yearly sugar consumption. A sample of 16 people reveals the mean yearly consumption to be 60 pounds with a standard deviation of 20 pounds.
The Kirschner Company has a contract to produce garden hoses for a customer. Kirschner has 5 different machines that can produce this kind of hose. Write the constraint that indicates they have to use at least three of the five machines in their p..
A fair coin is tossed four times and X is number of heads on first three tosses and Y on last three. What is the joint probability mass function of x and y? What is the marginal pmf? Are X and Y independent?
What is the probability that more than one machine is in the system? Probability that more than two are broken and waiting to be repaired or being serviced? More than three? More than four?
A counselor is interested in determining if there is a relationship between children's scores on the racial attitude and preference test and their scores on the racial socialization test. She sampled a group of 10 children yielding the following r..
Which component of a time series is most likely to occur? Which component has a pattern that must be complete in a single year and repeat from year to year?
Gallup Polls When Gallup and other polling organizations conduct polls, they typically contact subjects by telephone. In recent years, many subjects refuse to cooperate with the poll.
Discuss the fields in which Poisson distribution is applied. Why does it matter whether a population of arrivals is limited or unlimited?
If employee is chosen at random, determine the probability that employee is female and salaried staff? Choose the best answer from the following.
For a given confidence interval, what is the interpretation of a 96% confidence level?
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