80/100 = fill in the missing number to create an equivalent fraction
1 answer:
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The slope is 2
the y-intercept is at (0, 7)
I used the desmos graphing calc
the y-intercept is at (0, 7)
I used the desmos graphing calc
Answer:
a) 8.74
b) 2.6607
Step-by-step explanation:
For each American, there are only two possible outcomes. Either they are without health insurance, or they are not. In the sample, each person is independent of any other person, which means that we use the binomial probability distribution to solve this question.
Binomial probability distribution
Probability of exactly x sucesses on n repeated trials, with p probability.
Can be approximated to a normal distribution, using the expected value and the standard deviation.
The expected value of the binomial distribution is:
The standard deviation of the binomial distribution is:
According to a survey, about 19% of all Americans are without health insurance.
This means that
Suppose that you select a random sample of 46 Americans.
This means that
(a) Calculate the expected number of Americans without health insurance in the sample.
(b) Calculate the standard deviation of the number of Americans without health insurance in the sample.
Answer:
His annual payment rate required to pay off the loan in 7 years is a year.
He has to pay $11026.85 in interest
Step-by-step explanation:
The first step to solve this problem is find how much the student will have to pay for the car. So, we have to find how much the present value of the car(in $) will be worth in 7 years. This is a compound interest problem:
The compound interest formula is given by:
Where A is the amount of money, P is the principal(the initial sum of money), r is the interest rate(as a decimal value), n is the number of times that interest is compounded per unit t and t is the time the money is invested or borrowed for.
In this exercise, we have:
A = The value we want to find
P = The initial value = 5510
r = 0.17
n = 1
t = 7
So
In a seven year period, he has to pay $16536.85. Per year, he has to pay a rate k of:
His annual payment rate required to pay off the loan in 7 years is
How much does he pay in interest?
His loan is $5510 and he has to pay $16536.85. So, in interest, he has to pay