Question

Please show the work !

Find the value of Z for the standard normal distribution such that the area a) in the left tail is 0.1000 b) between 0 and Z is 0.2291 and Z is positive c) in the right tail is 0.0500 d) between 0 and Z is 0.3571 and Z is negative 1) 2) Find the following binomial probabilities using the normal approximation a) n- 70, p-0.30, P(x-18) b) n-200, p 0.70, P(133 x S 145) c) n 150, p-0.38, P(x 62) Find the following areas under a normal distribution curve with a) 3) 12 and ơ 2 Area between x-7.76 and x-1 Area between x = 14.48 and x = 16.54 b) c) Area from x= 8.22 to x=10.06 Determine the following probabilities for the standard normal distribution a) P(-2.46 Zs 1.68) b) POZs 1.86) c) P(-2.58 SZs0) d) P(Z 0.83) 4)

Answer 1