The normal distribution has a standard deviation of 5.The mean is 10 . What area is contained between 5 and 15 Is it A.99.7%. B 47.5%. C 68%. D70%

Which is a reasonable estimate of the amount of water in a small, inflatable pool used by children?

The average human heart beats 1.15 \cdot 10^51.15⋅10 5 1, point, 15, dot, 10, start superscript, 5, end superscript times per day. there are 3.65 \cdot 10^23.65⋅10 2 3, point, 65, dot, 10, start superscript, 2, end superscript days in one year.how many times does the heart beat in one year? write your answer in scientific notation, and round to one decimal place.

What percent of the circle below is shaded?