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3 years ago

What is the circumference of the following circle? d=4

2 answers:

5 0

C=12.57

explanation:
C=πd so C=πx4= 12.56637061435917

12.56637061435917 rounded is 12.57

hope this helps, have a great day

Finger [1]3 years ago

3 0

Answer:

c≈12.57

Step-by-step explanation:

good luck :)

I'm not 100% sure

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Public opinion in the large city of Bedrock is that 60 percent of the residents are in favor of increasing taxes to fund alterna

uysha [10]

Answer: 0.8461

Step-by-step explanation:

Let p be the proportion of residents are against the increase of taxes to fund alternatives to drug addiction treatment.

As per given , we have p=0.40

A random sample is taken with size : n= 400

Expecting sample proportion : $\hat{p}=\dfrac{150}{400}=0.375$

Now , the probability that more than 150 of the residents surveyed will be against increasing taxes if a random sample of 400 residents are surveyed will be :

$P(p>0.375)=P(\dfrac{\hat{p}-p}{\sqrt{\dfrac{p(1-p)}{n}}}>\dfrac{0.375-0.40}{\sqrt{\dfrac{0.40(0.60)}{400}}})$

$=P(z>\dfrac{0.375-0.40}{\sqrt{\dfrac{0.40(0.60)}{400}}})\ \ [\because\ z=\dfrac{\hat{p}-p}{\sqrt{\dfrac{p(1-p)}{n}}}]$

$=P(z>-1.02)=P(z-z)=P(Z$

$\approx0.8461$ [By z-table]

Hence, the approximate probability that more than 150 of the residents surveyed will be against increasing taxes if a random sample of 400 residents are surveyed is 0.8461 .

4 0

4 years ago

Zixididjdidjdidhdujxjxjxhdb

kow [346]

Answer:

wouldnt that be 64 or am i d u m b lol

Step-by-step explanation:

6 0

3 years ago

Read 2 more answers

Brainiiest

german

Do -4 times 3.2 and then do the same thing plzzz help me with a question now plzzz I all give you 100 points

4 0

4 years ago

Which of the following is/are cube(s) of even number<br> pls help fast :( :(

Andre45 [30]

Answer:

write the question properly and <u>completely</u> then only you will get correct answer

5 0

3 years ago

Rob ran 27.2 miles less than Jasmine last week. Rob ran 10 miles. How many miles did Jasmine run?

jeka94

Answer:

Jasmine ran last week 37.2 miles

Step-by-step explanation:

Let

x ----> number of miles Rob ran last week

y ----> number of miles Jasmine ran last week

we know that

x=y-27.2 ----> equation A

x=10 ----> equation B

Substitute equation B in equation A and solve for y

10=y-27.2

y=10+27.2

y=37.2 miles

4 0

3 years ago