Which of the following objects has no kinetic energy ?

When a light bulb shines, it gives off light energy and energy. a. heat b. potential c. chemical d. electrical

Which of the following are used in an electrochemical cell? a. electrodes b. electrolyte c. terminals d. all of the above

The number of passengers who arrive at the platform of a subway station for the 10 am train is a random variable with a mean of 120 and a variance of 16. find the lower bound of the probability that there will be between 100 and 140 passengers (round off to second decimal place).