Answer: option 1 is the correct answer
Step-by-step explanation:
Number of times for which the die was rolled is 360. It means that our sample size, n is 360.
The probability of rolling a 5 or a 6 is 1/3. It means that probability of success,p = 1/3. The probability of failure,q is
1 - probability of success. It becomes
1 - 1/3 = 2/3
The formula for standard deviation is expressed as
√npq. Therefore
Standard deviation = √360 × 1/3 × 2/3
= √80 = 8.9443
Standard deviation is approximately 8.9
Answer:
"If we examine the proportion of students at their campus who still live at home with their parents, how likely is that proportion to be more than 36%?"
Step-by-step explanation:
The third option. When running the hypothesis test, you are comparing your sample size (of the campus) to the known sample size (the results given by the Pew Research Center). The results of the test give you the probability of the sample happening by random chance. We always test for equality (the sample being equal to the population), so if we reject the null, there will be evidence to suggest that the population proportion is actually more, given that the sample is an unbiased representation of the actual population
8 × 46 = 8 × (40 + 6) = (8 × 40) + (8 × 6) = 320 + 48 = 368
Hope this explains it.
Answer:
A medium milkshake will use
of a pint of milk.
Step-by-step explanation:
Given:
A large chocolate milkshake takes =
of a pint of milk
While a medium chocolate takes =
the amount of milk for a large milkshake.
To find the amount of milk required for a medium milkshakes.
Solution:
The amount of milk required for a medium milkshakes is given as:
⇒
of the amount of milk for a large milkshake.
Plugging in the amount of milk for a large milkshake.
⇒
of ![\frac{8}{9}](https://tex.z-dn.net/?f=%5Cfrac%7B8%7D%7B9%7D)
by
we mean multiplication.
⇒ ![\frac{1}{7}\times\frac{8}{9}](https://tex.z-dn.net/?f=%5Cfrac%7B1%7D%7B7%7D%5Ctimes%5Cfrac%7B8%7D%7B9%7D)
⇒ ![\frac{8}{63}](https://tex.z-dn.net/?f=%5Cfrac%7B8%7D%7B63%7D)
Thus, a medium milkshake will use
of a pint of milk