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1. There are 23 people at a party. Explain what the probability is that any two of them share the same birthday.
2. A cold and flu study is looking at how two different medications work on sore throats and fever. Results are as follows:
Analyze the data and explain which one would be the better medication for both a sore throat and a fever.
3. The United States employed a statistician to examine damaged planes returning from bombing missions over Germany in World War II. He found that the number of returned planes that had damage to the fuselage was far greater than those that had damage to the engines. His recommendation was to enhance the reinforcement of the engines rather than the fuselages. If damage to the fuselage was far more common, explain why he made this recommendation.
Show all the steps of your hypothesis test including a) the claim being tested , b) the null and alternative hypothesis, c) the test statistic, d) the p value, e) initial conclusion, and f) a final conclusion about the original claim.
We can think of this as the value of mew that maximizes f(y), the probability that our observed value of y occurs.
The standard deviation is one of the most important concepts in the area of statistics. In your own words, define standard deviation. Give an example of how you have used the concept of standard deviation in your life
question 1new spark plugs have just been installed in a small airplane with a four-cylinder engine. there is one spark
question the statistical mean can be used to measure various aspects of the teen market including amount spent age of
1. urn 1 contains 5 red 4 white and 6 blue marbles. urn 2 contains 12 red 2 white and 3 blue marbles. one urn is chosen
find the critical value taalpha2 that corresponds to a confidence level of 95 and a sample size of
Write in interval notation the real numbers greater than or equal to 3 and less than 9. Translate the verbal expression into an algebraic expression: a cubed minuis b cubed.
mvp mobileyou work for mvp mobile as a marketing analyst. mvp mobile sells the glx i smartphone with either the silver
there are 2r 2r is less than or equal to n gloves randomly chosen from n distinct pairs of gloves i.e. 2n gloves in
Use the sign test to determine if the medicine has an effect on blood pressure. What is the p-value?
The board of health of a particular state was called to investigate claims that raw pollutants were being released into the river flowing past a small residential community.
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