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Masteriza [31]
3 years ago
7

victor has a life insurance policy that will pay his family $42,000 per year if he dies. if interest rates are up 1.5% when the

insurance company has to pay, what is the amount of the lump sum that the insurance company must put into a bank account
Mathematics
2 answers:
aivan3 [116]3 years ago
6 0
630 would be the answer

Zolol [24]3 years ago
4 0

Apex said 2.8 million

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Same answer as before:
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7 0
3 years ago
6th grade math help me pleaseeee
Anastasy [175]

Answer:

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Step-by-step explanation:

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8 0
3 years ago
9.4 The heights of a random sample of 50 college stu- dents showed a mean of 174.5 centimeters and a stan- dard deviation of 6.9
gladu [14]

Answer:  a) (176.76,172.24), b) 0.976.

Step-by-step explanation:

Since we have given that

Mean height  = 174.5 cm

Standard deviation = 6.9 cm

n = 50

we need to find the 98% confidence interval.

So, z = 2.326

(a) Construct a 98% confidence interval for the mean height of all college students.

x\pm z\times \dfrac{\sigma}{\sqrt{n}}\\\\=(174.5\pm 2.326\times \dfrac{6.9}{\sqrt{50}})\\\\=(174.5+2.26,174.5-2.26)\\\\=(176.76,172.24)

(b) What can we assert with 98% confidence about the possible size of our error if we estimate the mean height of all college students to be 174.5 centime- ters?

Error would be

\dfrac{\sigma}{\sqrt{n}}\\\\=\dfrac{6.9}{\sqrt{50}}\\\\=0.976

Hence, a) (176.76,172.24), b) 0.976.

8 0
3 years ago
phil smith is a car salesman. last week. his total sales amounted to $27,650.00, and he received $1,382.50 in commission. What i
Korvikt [17]
20$ a car  (ssssppppaaacccceee)

7 0
3 years ago
if 1 inch represents 14 feet, what dimension would you use to make a scale drawing of a building 44 feet by 50
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