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dsp73
3 years ago
10

What is the simple intrest of 250(1+.55)1

Mathematics
1 answer:
Maru [420]3 years ago
6 0

Answer:

Simple Interest = $137.5

Step-by-step explanation:

Here,

Principal, P = $250

interest rate, i = 55% = 0.55

number of year (period), n = 1

In this question, the equation is for compound interest. The compound interest formula is = PV(1+i)^n, where, PV = present value, i = interest rate, n = number of period. The difference between the simple interest and compound interest is that the first one is based on the principal. In contrast, the latter is based on the principal and the interest accumulated periodically. Therefore, the simple interest of this factor is -

Interest = Principal x interest rate x period

Interest = $250 x 0.55 x 1

Interest = $137.5

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sleet_krkn [62]
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7 0
3 years ago
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jeka94

Answer:

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Step-by-step explanation:

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3 years ago
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3 0
2 years ago
The monthly amounts spent for food by families of four receiving food stamps approximates a symmetrical, normal distribution. Th
e-lub [12.9K]

Answer:

95% of monthly food expenditures are between $110 and $190.

Step-by-step explanation:

Given : The monthly amounts spent for food by families of four receiving food stamps approximates a symmetrical, normal distribution. The sample mean is $150 and the standard deviation is $20.

To find : Using the Empirical rule, about 95% of the monthly food expenditures are between which of the following two amounts?

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At 95% of the data is between two standard deviation to left and right of the mean is given by,

To the left side, \bar{x}-2\sigma

To the right side, \bar{x}+2\sigma

We have given,

The sample mean \bar{x}=\$150

The standard deviation \sigma=\$20

Substitute in the formula,

\bar{x}-2\sigma

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=150-40

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\bar{x}+2\sigma

=150+2(20)

=150+40

=190

Therefore, 95% of monthly food expenditures are between $110 and $190.

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3 years ago
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