<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.
When a tactics is harmful causing various harms to human health or posing threat it should not be supported.
<h3>What are Harmful tactics?</h3>
They are some actions that are taken a particular time to achieve a particular goal and objective which is short time.
This actions are harmful and the results are usually detrimental.
Therefore, U.S. government should not support U.S. tobacco company interest abroad if they are using harmful tactics.
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<u>Foreign Exchange Market</u> are electronic markets in which banks and institutional traders buy and sell various currencies on behalf of businesses and other clients
<h3>What is Foreign Exchange Market?</h3>
A decentralized, open market where currencies are traded on a worldwide scale is known as the foreign exchange market. For every currency, this market establishes exchange rates. It covers every facet of acquiring, disposing of, and exchanging currencies at the going rate or set rate.
<h3>Why foreign exchange is important?</h3>
Foreign exchange refers to the exchange of various national currencies or units of account. It is crucial because a country's economic health and, consequently, the happiness of all its citizens, are determined by the exchange rate, or the cost of one currency in relation to another.
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Answer: B costs
Explanation:
In business and accounting, cost is the monetary value that has been spent by a company in order to produce something.
Cost accounting aids in decision-making processes by allowing a company to calculate, evaluate, and monitor its costs.
Answer:
The answer is 1 to 1 1/4
Explanation:
The side, top and bottom limits are supposed to be 1 to 1 1/4 inches means the general default settings in programs such as Microsoft Word. One-page letters and memos should be vertically centered. Business letter writing margins should be about 1" all around.
