You have a normal distribution of hours per week that music students practice. The mean of the value

You haveanormal distributionofhours per weekthatmusic students practice. Themeanof thevaluesis8and thestandard deviationof thevaluesis4.Accordingto thenormal distribution modelthatcorrespondsto thispopulation, whatpercentageof thestudents practice between 6to10 hours per week?