You have a normal distribution of hours per week that music students practice. the mean of the values is 8 and the standard deviation of the values is 4. according to the normal distribution, half of the music students practice between 5.3 to 10.7 hours each week. what percentage of the students study less than 5.3 hours each week? 12.5% 20% 25% 50%

25%

Step-by-step explanation:

Since Normal Distribution is symmetrical Distribution and 5.3 and 10.7 are both 2.7 below and 2.7 above the mean respectively.

So, % of students less than 5.3 hours per week is 25%

$200

Step-by-step explanation:

200/5=40

40x5=200

To solve, you multiply the interest by the interest rate

This gets you the total. The interest is also seperate amount so he now has $240