# Question

Mensa is an organization whose members possess IQs that are in the top 2% of the population. It is known that IQs are normally distributed with a mean of 100 and a standard deviation of 16. Find the minimum IQ needed to be a Mensa member.

## Answer to relevant Questions

According to the 2001 Canadian census, university-educated Canadians earned a mean income of $61,823. The standard deviation is $17,301. If incomes are normally distributed, what is the probability that a randomly selected ...The demand for a daily newspaper at a newsstand at a busy intersection is known to be normally distributed with a mean of 150 and a standard deviation of 25. How many newspapers should the news stand operator order to ensure ...Let X be an exponential random variable with λ = .5. Find the following probabilities.a. P(X > 1)b. P(X > .4)c. P(X < .5)d. P(X < 2)Because automatic banking machine (ABM) customers can perform a number of transactions, the times to complete them can be quite variable. A banking consultant has noted that the times are exponentially distributed with a ...Use the χ2 table (Table 5) to find the following values of χ2.a. χ2.90, 26b. χ2.01, 30c. χ2.10, 1d. χ2.99,80Post your question

0