An account is monitoring the average rates per hour four employees. Drag the employees in order from the greatest to the least u
nit rate in dollars per hour.
1 answer:
Answer:
Step-by-step explanation:
I think the attached photo below is your full question
And here is my answer:
From the greatest to the least unit rate in dollars per hour
Arianne - F Francois - GGarrick - C Carissa
- Francois: 823.23/42.5 = 19.37
- Carissa : 700/50 = 14
- Garrick: 1247.6/65.5 = 19.04
- Arianne: 1800/70 = 25.7
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Answer:
And the best way to solve this problem is using the normal standard distribution and the z score given by:
If we apply this formula to our probability we got this:
And we can find this probability using the complement rule and the normal standard table and we got:
Step-by-step explanation:
Previous concepts
Normal distribution, is a "probability distribution that is symmetric about the mean, showing that data near the mean are more frequent in occurrence than data far from the mean".
The Z-score is "a numerical measurement used in statistics of a value's relationship to the mean (average) of a group of values, measured in terms of standard deviations from the mean".
Solution problem
Let X the random variable that represent the variable of interest of a population, and for this case we know the distribution for X is given by:
Where and
We are interested on this probability
And the best way to solve this problem is using the normal standard distribution and the z score given by:
If we apply this formula to our probability we got this:
And we can find this probability using the complement rule and the normal standard table and we got: