Probability density over the interval, find mean, variance, and
standard deviation
1 f(x) = 7, [6, 13] A. u=9.50; ²=2.993; = 1.73 6 OB. μ = 9.50; ²=4.083; o=2.02 OC. μ=3.50; o²=4.080; o=2.02 O D. H=3.45; ²=4.080; G=2.02