The SAT scores (X) of the students in the U.S. in 2011 are normally distributed with a mean 1500 and a standard deviation 200. Between what scores does the middle 68.26% of the students fall? Answer as a range of two integers. For example, if the two scores are 1000 and 2000, answer: 1000-2000.

The highest score in a distribution is 74 and the lowest score is 51. What is the range?

Suppose that the mean score of a class of 34 students was 78. The 17 male students in the class had a mean score of 62. What was the mean score for the 17 female students?

Mario's weekly poker winnings have a mean of $353 and a standard deviation of $67. Last week he won $185. How many standard deviations from the mean is that?

In Statsville there’s a city-wide speed limit of 30 mph.If you are caught speeding the fine is $100 plus $10 forevery mile per hour you were over the speed limit. Forexample, if you’re ticketed for going 45 mph, your fine is100 + 10145 - 302 = +250. Last month all the driverswho were fined for speeding averaged 42 mph with astandard deviation of 7 mph. What were the mean andstandard deviation of the fines?A) $120 and $70 B) $220 and $7C) $220 and $70 D) $220 and $170E) $420 and $70

The mean score on a set of 17 tests is 82. Suppose two more students take the test and score 66 and 56. What is the new​ mean?

The mean salary of 5 employees is $41400. The employee salaries have 2 modes: $33500 and $48000. If the median salary gets a $1600 raise, then what is the new mean and new median?

Kara has five exam scores of 6363, 5959, 6767, 7575, and 7373 in her biology class. What score does she need on the final exam to have a mean grade of 7070?

The distances golf balls travel under laboratory testing conditions are normally distributed. The mean is 312 yards. The probability the golf ball travels further than 319 yards is 0.28. Find the probability a randomly selected golf ball travels between 305 yards and 319 yards. Express the answer as a decimal value rounded to the nearest hundredth.