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IQ scores are normally distributed with a mean of 100 and a standard deviation of 15. Mensa is an international society that has one - and only one - qualification for membership: a score in the top 2% on an IQ test.
a) What IQ score should one have in order to be eligible for Mensa?
b) In a typical region of 65,000 people, how many are eligible for Mensa?
Determine the probability of choosing at random license plate which ends in the even number?
If we fit the least-squares line to the 12 data points (one for each month) we obtain the following results from a software package. Notice that temperature is taken as the explanatory variable and crawling age as the response.
MATH1550H: Assignment: Question: A word is selected at random from the following poem of Persian poet and mathematician Omar Khayyam (1048-1131), translated by English poet Edward Fitzgerald (1808-1883). Find the expected value of the length of th..
A random variable has the density curve as in the graph below. Find The height of the density curve?
For the mold described in (g), can you find the probability that it's COST value will exceed $150,000? If yes, obtain this probability. If no, why not?
Formulate the hypotheses that can be used to determine whether union membership increased in 2006.
Research question: Are mean crash damages same for these 3 vehicles? Crash1 Crash Damage ($).
Using the confidence interval when conducting a two-tail test for the population mean we do not reject the null hypothesis if the hypothesized value for:
In which of the following situations is bootstrapping (and other resampling methods) often used and Which of the following is a valid description of the bootstrapping method.
An old saying in golf is "you drive for show and you putt for dough." The point is that good putting is more important than long driving for shooting low scores and hence winning money.
To determine if this is evidence that students perform worse under uncomfortable conditions, The P-value of a test
Perform hypothesis testing on one variable's data.
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