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Rudik [331]
3 years ago
11

In 1945​, an organization asked 1490 randomly sampled American​ citizens, "Do you think we can develop a way to protect ourselve

s from atomic bombs in case others tried to use them against​ us?" with 770 responding yes. Did a majority of the citizens feel the country could develop a way to protect itself from atomic bombs in 1945​? Use the alpha equals 0.05 level of significance.
Mathematics
1 answer:
Schach [20]3 years ago
6 0

Answer:

1490/2= 745=50%  770>745 so  your answer is yes

Step-by-step explanation:

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Larry and Sam own a clothing store. They made $5,000 in revenue this month. Their cost of goods sold are $1,500. What was their
Nadya [2.5K]

Answer:

$3,500

Step-by-step explanation:

Given that

Revenue made during the month = $5,000

Cost of goods sold = $1,500

So by considering the above information, the gross profit is

= Revenue made during the month - cost of goods sold

= $5,000 - $1,500

= $3,500

By dividing the cost of goods sold from the revenue we can get the gross profit for this month

3 0
3 years ago
How much should be invested at 7% compounded daily for 15 years to make $200,000?
strojnjashka [21]

The amount of money that should be invested at 7% compounded daily is $199,421.68.

<h3>How to calculate compound interest.</h3>

Mathematically, compound interest is given by this formula:

A=P(1+\frac{r}{n} )^{nt}

<u>Where:</u>

  • A is the future value.
  • P is the principal.
  • R is the interest rate.
  • T is the time measured in years.
  • n is the number of times compounded.

<u>Given the following data:</u>

Future value = $200,000.

Interest rate = 7% = 0.07.

Time = 15 year.

Substituting the given parameters into the formula, we have;

200000=P(1+\frac{0.07}{365} )^{ 15}\\\\200000=P(1+0.00019)^{15}\\\\200000=P(1.00019)^{15}\\\\200000=1.0029P\\\\P=\frac{200000}{1.0029}

P = $199,421.68.

Read more on interest here: brainly.com/question/24341207

6 0
3 years ago
Plz help i need help
Nataliya [291]

Answer: what the is dis sorry dont know

Step-by-step explanation:

3 0
3 years ago
Read 2 more answers
If i= -1, what is the value of i3?<br> O-1<br> Ο i <br> O 1<br> O -i
chubhunter [2.5K]

Answer:

I dont think this question is formated correctly. i does not equal to -1. However, If you are wondering about i^-3. it is -i. Otherwords it is D. Hope this helped.

7 0
3 years ago
(FAST PLEASE) Let z = 45. What is the value of z ÷ 5? A. 4 B. 9 C. 41 D. 45
TiliK225 [7]
If you put in z to the equation
z \div 5
you get
45 \div 5
and that equals 9 so the answer is B. 9
5 0
4 years ago
Read 2 more answers
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