# Question

SAT Math scores have a bell-shaped distribution with a mean of 515 and a standard deviation of 114.

(a) What percentage of SAT scores is between 401 and 629?

(b) What percentage of SAT scores is less than 401 or greater than 629?

(c) What percentage of SAT scores is greater than 743?

(a) What percentage of SAT scores is between 401 and 629?

(b) What percentage of SAT scores is less than 401 or greater than 629?

(c) What percentage of SAT scores is greater than 743?

## Answer to relevant Questions

The weight, in grams, of the pair of kidneys in adult males between the ages of 40 and 49 has a bell-shaped distribution with a mean of 325 grams and a standard deviation of 30 grams. (a) About 95% of kidney pairs will be ...According to the U.S. Census Bureau, the mean of the commute time to work for a resident of Boston, Massachusetts's 27.3 minutes. Assume that the standard deviation of the commute time is 8.1 minutes to answer the ...The data set on the left represents the annual rate of return (in percent) of eight randomly sampled bond mutual funds, and the data set on the right represents the annual rate of return (in percent) of eight randomly ...Often, frequency distributions are reported using unequal class widths because the frequencies of some groups would otherwise be small or very large. Consider the following data, which represent the daytime household ...Michael and Kevin return to the candy store, but this time they want to purchase nuts. They can't decide among peanuts, cashews, or almonds. They again agree to create a mix. They bought 2.5 pounds of peanuts for $1.30 per ...Post your question

0