1. The weight of medium-sized oranges selected at random from a large bin of oranges at the local supermarket is a random variable with mean µ = 12 ounces and standard deviation σ = 1.2 ounces. The weight of the oranges, in pounds (1 pound = 16 ounces) is a random variable with standard deviation
A. 0.075 pounds.
B. 0.005625 pounds.
C. 19.2 pounds.
2. A Psychology instructor asked the 100 females in her class to rate their intelligence on a scale of 1 to 10. Some of the ratings were
What proportion of the students rated their intelligence less than 5?
A. 6
B. 0
C. 0.94