Questions:

1: The average employee who came late in a panicular plant is known (10 marks) to be 10 people a day. lfthe factory's policy is 5days working a week, what is the Probability that there are 45 to 55 people will be late in the week?

2: The average number of patients who sought treatment at a private (10 marks) clinic in one day was 55 people, Find the probabllity of at least 156 patients seeking treatment at the clink within days randomly selected?

3: A multiple-choke objective test has BO questions earb. with 4 (10 marks.) possible answers of which only4)ne is the correct answer. What is the probability that sheer guesswork yields from 25 to 30 correct answers lithe student has no knowledge?