It would be 7/13 since 7 balls out of the total 13 are not white.
Answer: <u>56.9</u> years to <u>63.1</u> years.
Step-by-step explanation:
Confidence interval for population mean (when population standard deviation is unknown):
, where = sample mean, n= sample size, s= sample standard deviation, = Two tailed t-value for .
Given: n= 24
degree of freedom = n- 1= 23
= 60 years
s= 7.4 years
Two tailed t-critical value for significance level of and degree of freedom 23:
A 95% confidence interval on the true mean age:
Hence, a 95% confidence interval on the true mean age. : <u>56.9</u> years to <u>63.1</u> years.
Answer:
y = 18
Step-by-step explanation:
Because it's interior angles are equal, it is an equilateral triangle.
Equilateral triangles have 3 equal sides.
So:
5y - 6 = 4y + 12
reduce:
y = 18
The correct answer is this one: "b.) 1/12." <span>Makoto and his friends rolled 2 fair number cubes 500 times & recorded the sum of the numbers shown on the cubes each time.
</span>
So here it is:
1/12 42/250 = .083 1/12-.084.
There are 36 possibilities of rolls and three of them total 10.
3/36=1/12.
The answer to that question will be A