Are those two expression equivalent when x=10 5(3x+8) 8(x+8
2 answers:
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Answer:
a) 68.2%
b) 31.8%
c) 2.3%
Step-by-step explanation:
We are given the following information in the question:
Mean, μ = 530
Standard Deviation, σ = 119
We are given that the distribution of math scores is a bell shaped distribution that is a normal distribution.
Formula:
a) P(test scores is between 411 and 649)
b) P(scores is less than 411 or greater than 649)
c) P(score greater than 768)
P(x > 768)
Calculation the value from standard normal z table, we have,
The actual amount that should be credited is $757.58.
<u>Solution:</u>
Given that,
2% Discount if paid in 10 days.
1% Discount if paid in 15 days, (but greater that 10 days)
Net due in 60 days.
That is,
will close the acount on days 1-10
will close the acount on days 11-15
And August 8 is Day 15 and falls under the 1% discount rule.
Therefore, we have to divide the partial payment by the complement of the discount rate.
from the balance, and
is due by day 60.