eBook Video Given that z is a standard normal random variable, find z for each situation (to 2 decimals). Enter negative values as negative numbers. a. The area to the left of z is 0.2119. 1.66 b. The area between 2 and z is 0.9030. 1.66 c. The area between z and z is 0.2052 . 1 .26 d. The area to the left of z is 0.9948 . e. The area to the right of z is 0.6915