Name 3 fractions that are equivalent to: 2/3

2 answers:

4 0

Three fractions equivalent to ⅔ are 4/6 , 8/12, and 16/24
Three fractions equivalent to ¾ are 6/8, 12/16, and 24/32
Three fractions equivalent to 4/5 are 8/10, 16/20 and 32/40

kupik [55]3 years ago

3 0

For 2/3 there are equvialent fractions such as 4/6,6/9,8/12
for 3/4 there is 6/8,9/12,12/16
for 4/5 there is 8/10,12/15,16/20
These can all be figured out by multiplying the numerator and the denomanator by the same number! Each of these fractions can be reduced back to there original fraction! Hope this helps

You might be interested in

Community college students conduct a survey at their college. They ask "Do you plan to transfer to a university to pursue a bacc

Tamiku [17]

Answer:

$0.8 - 2.58\sqrt{\frac{0.8(1-0.8)}{100}}=0.697$

$0.8 + 2.58\sqrt{\frac{0.8(1-0.8)}{100}}=0.903$

The 99% confidence interval would be given by (0.697;0.903)

And the best option is : 0.697 to 0.903

Step-by-step explanation:

Previous concepts

A confidence interval is "a range of values that’s likely to include a population value with a certain degree of confidence. It is often expressed a % whereby a population means lies between an upper and lower interval".

The margin of error is the range of values below and above the sample statistic in a confidence interval.

Normal distribution, is a "probability distribution that is symmetric about the mean, showing that data near the mean are more frequent in occurrence than data far from the mean".

Solution to the problem

For this case the conditions we have the conditions to assume a normal distribution for the population proportion since:

np=100*0.8=80 >10 , n(1-p) = 10*(1-0.8) =20 >10

In order to find the critical value we need to take in count that we are finding the interval for a proportion, so on this case we need to use the z distribution. Since our interval is at 99% of confidence, our significance level would be given by $\alpha=1-0.99=0.01$ and $\alpha/2 =0.005$ . And the critical value would be given by: