Answer: 80% of the 10 people saw the show.
Step-by-step explanation:
8/10 = 0.8, which is 80%.
I hope this helped!
point-slope form: y-y₁=m(x-x₁)
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slope-intercept form: y = mx + b
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Answer: Yes, this sample provide evidence that people living in rural communities live longer than 77 years.
Step-by-step explanation:
Since we have given that
Average lifespan in the USA = 77 years
We need to check whether the people living in rural communities live longer than 77 years.
So, Hypothesis would be
Since n = 12
since n <30 so, we will use t test.
So, the test statistic value is given by
degrees of freedom = df = n-1 = 12-1 =11
At 95% significance level , t = 1.796
Since, 1.796< 9.125
So, we will reject the null hypothesis.
Hence, Yes, this sample provide evidence that people living in rural communities live longer than 77 years.
Answer:
(4x+11)(4x-11)
Step-by-step explanation:
a2−b2=(a+b)(a−b)a2-b2=(a+b)(a-b) where a=4xa=4x and b=11b=11
The formula is pi x radius squared plus Pi x radius x length. Pi x radius squared is 530.93 and pi r l is 653.45 so the answer is 1184.38 cm cubed