HELP PLEASE HURRY 10 POINTS In the figure below, which answer choice correctly identifies the name of two
2 answers:
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Answer:
a) The average salary of firefighters in Portugal is $583.
b) The standard deviation of the salary of firefighters in Portugal is $319.8
Step-by-step explanation:
We are given the following in the question:
a) Standard Deviation, σ = $145.80
We are given that the distribution of salary of professor is a bell shaped distribution that is a normal distribution.
Formula:
A salary of $510.10 has a z-score of -0.50.
Putting values, we get,
Thus, the average salary of firefighters in Portugal is $583.
b) Mean, μ = $2,132
We are given that the distribution of salary of computer programmers is a bell shaped distribution that is a normal distribution.
Formula:
The salary of $2,291.90 has a z-score of +0.50
Putting values, we get,
Thus, the standard deviation of the salary of firefighters in Portugal is $319.8
Answer:
Step-by-step explanation:
The temperature at 7:00 pm is:
Answer:
4594.76 USD will be in the account on Burt's 18th birthday.
Step-by-step explanation:
Since interest rate is constant in time, we can use the definition of composite interest to determine how much money will be on Burt's 18th birthday, that is:
(1)
Where:
- Initial amount, measured in US dollars.
- Current amount, measured in US dollars.
- Annual interest rate, measured in percentage.
- Time, measured in years.
If we know that ,
and
, then the money in the savings account on Burt's 18th birthday is:
4594.76 USD will be in the account on Burt's 18th birthday.