Suppose x is a normal random variable with mean μ = 80 and standard deviation σ = 9. find b such that p (80 ≤ x ≤

b. = 0.3. hint [see example 3.] (round your answer to one decimal place.)

the first octant inside the cylinder x2 + y2 = 16 and below the plane z = 3. 2 Sketch the solid whose volume is given by the integral. ∫ π/2. 0. ∫ 2. 0. ∫ 9-r2. 0 r dz dr dθ, and evaluate the integral. 3 Use spherical coordinates to evaluate. ∫∫∫. E z dV, where E lies between the spheres x2+y2+z2 = 1 and x2 + y2 + z2 = 4 in ...