The wingspans of rodrigues fruit bats are normally distributed, with a mean of 82.5 centimeters and a standard deviation of 2.5 centimeters. to the nearest tenth of a percent, what percentage of rodrigues fruit bats have a wingspan between 77.5 centimeters and 85 centimeters? a) 68.3% b) 73.4% c) 81.5% d) 85.9%

answer:

step-by-step explanation:

here, the total dishes = 10

dishes having meat = 3 ( chicken, meatloaf and hamburger )

thus, the probability of having meat on the chosen dishes = number of dishes having meat / total dishes

=

therefore, the probability of not having meat = 1- the probability of having meat on the chosen dishes

=

=

=

⇒ option b is correct.