Only A and C

Q.No.5 [1+2.5+2.5] a. Write down the four situations for finding the area under the standard normaldistribution. b. Suppose that during periods of transcendental meditation, the reduction personsoxygen consumption is a random variable have normal distribution with mean 37.6 c.c per minute S.D 4.6 c.c per minute .Find the probabilities that during a peri oftranscendental meditation a person oxygen will be reduced by i. At most 35.0 c.c per minute ii. At least 44.5 c.c per minute iii. Anywhere from 30.0 to 40.0 c.c per minute. C. A man cuts hazel twigs to make bean poles. He says that a stick is 240 cm long. In fact the length of the stick follows a normal distribution and 10% are of length 250cm or more while 55% have a length over 240 cm .Find the probability that stick picked at a random is less than 235 cm long