Awancer asap 20 pts

a battery manufacturer randomly tests 5000 batteries and finds that 20 are defective how meany will be expected to be defective in a shipment of 12 batteries.

Aline that intersects one of two parallel lines intersects the other also always sometimes never

Evaluate 3(a + b + c)squared for a = 2, b = 3, and c = 4. a. 54 b. 243 c.729 add solution .

The management of a supermarket wants to adopt a new promotional policy of giving a free gift to every customer who spends more than a certain amount per visit at this supermarket. the expectation of the management is that after this promotional policy is advertised, the expenditures for all customers at this supermarket will be normally distributed with a mean of $95 and a standard deviation of $20. if the management wants to give free gifts to at most 10% of the customers, what should the amount be above which a customer would receive a free gift?