<u>Solution and Explanation:</u>
a) 51% of users of mobile phones use their phone at least once per hour,
It is a binomial distribution with n = 150, p = 0.51
mean = np = 150 multiply with 0.51 = 76.5
SD= sqrt(np(1-p) )= 6.1225
Since np and n(1-p) > 5, we can assume the distribution is normal.
B) please see the attached file.
c) It is a binomial distribution with n = 150, p = 0.02
mean = np = 150*0.02 = 3
SD= sqrt(np(1-p) )= 1.71464
Since np < 5, we cannot assume the distribution is normal.
Answer:
travel agency
Explanation:
as service businesses include <u>companies engaged in transport</u>, food service, distribution, retail, and other industries that sell services rather than products. These intangibles provide the primary revenue source for service businesses.
There are different kinds of market. The option that is not a reason perfect competition is a useful simplification, despite the diversity of market types we find in the world is that;
- There are many buyers and many sellers in all types of markets.
<h3>What leads to perfect competition?</h3>
Firms are known to be in perfect competition due to;
- When many firms produce identical products.
- When there are plenty buyers available to buy the product, and and also plenty sellers are available to sell the product, etc.
Firms are said to be in perfect competition when a lot of firms produce the same type of products and also these firms can do business in the market without any kind of restrictions.
Learn more about perfect competition from
brainly.com/question/1051446
Answer:
I think eating healthier food would be better. Eating sweet desserts would be healthier than eating a lot, but you should still cut down and eat healthier foods. False
Explanation:
A legal firm would be considered a service company because they provide legal services to clients and persons.