BURNOK69
the weight of goats at a farm is normally distributed with a mean of 60 kg and a standard deviation of 10 kg. a truck used to transport goats can only accommodate not more than 650 kg. if 10 goats are selected at random from the population, what is the probability that the total weight exceeds the maximum weight?
BURNOK69
The blood groups of 200 people are distributed as follows: 40 have type A blood, 75 have type B blood, 60 have type O blood, and 25 have type AB blood. If a person from any of the group is selected at random, what is the probability that this person has an O blood type? How about the AB blood type?
BURNOK69
The number of accidents in a production facility has a Poisson distribution with a mean of 2.7 per month. For a given month, what is the probability that there will be more than three (3) accidents?
Answers & Comments
Verified answer
In the given problem, apply your knowledge in algebra and basic mathematics specially in solving word problems about rate, percentage and quantity.
Given
562 students
bus - 45%
van - 23%
car - 18%
tricycle -14%
Problem
How many of them are riding a van?
Solution
Number of students riding in a van = 23% of 562 students
→ 23% × 562
First, convert the percent into decimal form.
23% × 1/100
= 23/100
= 0.23
Solve the number of students riding in a van
0.23 × 562
= 129.26
= 129 students
Answer
There are 129 students riding in a van.
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