A juice drink manufacturer fills boxes advertised as containing 250 mL.
A machine pours 251 mL into each
box with a standard deviation of
0.3 mL. Any boxes containing less
than 250.1 mL are rejected. How
many boxes will be rejected in a
production run of 25,000 boxes?

Astudent must have an average on five test that is greater than it equal to 80% but less than 90% to receive a final grade of b. devon's greades on the first four test were 78% 62% 91% and 80% what range if grades on the fifth test would give him a b in the course? ( assuming the highest grade is 100%)