The confidence interval for the difference p1 - p2 of the population proportion is (0.063, 0.329)
<h3>How to determine the confidence interval?</h3>
The given parameters are:
n₁ = 93; n₂ = 80
p₁ = 0.814; p₂ = 0.618
The critical value at 95% confidence interval is
z = ±1.96
So, we have:
Substitute known values in the above equation
Evaluate
This gives
CI = 0.196 ± 0.133
Expand
CI = (0.196 - 0.133, 0.196 + 0.133)
Evaluate
CI = (0.063, 0.329)
Hence, the confidence interval is (0.063, 0.329)
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1. The car is 10km/h faster than the bus
Explanation:
50/2.5=20
50/5=10
20-10=10
2. m=-1.5
Explanation
5+7=12
-5-3=-8
12/-8=-1.5
3. f(-4)=-22
Explanation:
f(-4)=4(-4)-6
4. x=37
Explanation
44=2x-30
74=2x
x=37
It would be 9 ft. using the knowledge of
times the diameter (
equals aprox. 3.14) equal the circumference of a circle, and since we know the circumference, we need to divide that by
to get the diameter.
equation: 28/3.14=8.913
rounding that would bring it to 9 ft.
Answer:
x +21
Step-by-step explanation:
13+(x+8)=
Combine like terms
x +13+8
x +21
Answer:
the answer is C
Step-by-step explanation:
