The average number of calls received per hour by an insurance company switch board is 5. Calculate the prebolity that in a working day of 8 hours the number of calls received will be; i. exactly 36
ii. Is between 42 and 45
Calculate this exact probabilities and also the approximate Probabilities using a normal aproximation.​

Step-by-step explanation:

Q2. Choose the correct option:

1)A plastic that can be heated and remolded

a) Polythene

b) Thermosetting plastic

c) Thermoplastic

d) Polyester

2)Which of the following is a cash crop:

a) Pepper

b) Cereals

c) Banana

d) Pulses

3)is caused by a bacteria :

a) Common cold

b) Chicken pox

c) Ringworm

d) Tuberculosis

4)Ais a modern tool used to plough the land.

a) Cultivator

b) Harvester

c) A plough

d) Khurpi

5)The first antibiotic discovered was:

a) Staphylococcus

b) Streptomycin

c) Penicillin

d) Tetracycline

6)The fabric used for making bags should be:

a) Light

b)water

c) Have high tensile strength

d)All of the above

y < -3

step-by-step explanation:

-3y - 2 > 7

-3y -2 + 2 > 7+2

-3y > 9

-3y/-3 < 9/-3   (change the inequality sign when multiplying or dividing by a negative number)

y < -3