3 years ago

If Quinn tosses a fair coin and then rolls a fair number cube labeled 1 through 6,

Mathematics

1 answer:

dusya [7]3 years ago

7 0

Answer:

Step-by-step explanation:

P(heads) = 1/2

number cube numbered 1 thru 6

P(number less then 6) = 5/6

P(both) = 1/2 * 5/6 = 5/12 <===

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You have been assigned to determine whether more people prefer Coke or Pepsi. Assume that roughly half the population prefers Co

Alex Ar [27]

Answer:

$n=\frac{0.5(1-0.5)}{(\frac{0.03}{1.96})^2}=1067.11$

And rounded up we have that n=1068

Step-by-step explanation:

For this case we have the following info given:

$ME=0.03$ the margin of error desired

$Conf= 0.95$ the level of confidence given

The margin of error for the proportion interval is given by this formula:

$ME=z_{\alpha/2}\sqrt{\frac{\hat p (1-\hat p)}{n}}$ (a)

the critical value for 95% of confidence is $z=1.96$

We can use as estimator for the population of interest $\hat p=0.5$ . And on this case we have that $ME =\pm 0.03$ and we are interested in order to find the value of n, if we solve n from equation (a) we got:

$n=\frac{\hat p (1-\hat p)}{(\frac{ME}{z})^2}$ (b)

And replacing into equation (b) the values from part a we got:

$n=\frac{0.5(1-0.5)}{(\frac{0.03}{1.96})^2}=1067.11$

And rounded up we have that n=1068

3 0

3 years ago

Sum of 500 consecutive integers is 250 . what is the product same 500 numbers

saw5 [17]

Answer:

250 and 2 because i think 250 multiply by 2 is 500

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3 years ago

How many sides does a regular polygon have if each interior angle measure is four times the measure of each exterior angle.

Liula [17]

U should take a look at my =3

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Line GH contains points G(–2, 6) and H(5, –3). What is the slope of ?

hoa [83]

7/9 is the answer I believe

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Vanessa deposited money into a bank account that earned 1.25% simple interest each year. After 1212 year, she had earned $5.00 i

Reil [10]

I=prt,,5.00=.0125*1212p,,p=5.00/.0125*1212=?? Use the calculator

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3 years ago