the sat math matics scores in the sate of florida for this year are approximately normally distributed with a mean of 500 and a standard deviation of 100. using the empirical rule, what is the probability that a dandomly selectef that a randomly selected score lies between 500 and 700? express your answer as a decimal

Respuesta :

49.85%

This is because the likelihood of a point being within 2 SDs of the mean is 99.7%. This leaves .15 above and .15 below that curve. Given that we are looking from the mean (50%) and the upper limit with the exception of that .15, we would get the answer above.