Answer:
$452.4
Step-by-step explanation:
salary distributed with mean value = $490
standard deviation = $45
From the graph attached below the inflection point lies 1 std away from the mean value on a normal curve
The salary that corresponds to p20 using the normal distribution on stat crunch = $452.4
attached below are the required graphs
Answer:
in certain questions
Step-by-step explanation:
only use a table in Math when it is necessary. for example, when you are trying to find the coefficient.
Answer:
40%
Step-by-step explanation:
To convert a decimal to a fraction, multiply it to 100
Therefore, is 40%
All you have to do is subtract