Answer:
80%
Step-by-step explanation: Because if 20% of 250 equal 50 then 200 is 80% because adding 4 50 is 200.
Answer: 0.0385
Step-by-step explanation:
Given : Mean :
Variance :
Standard deviation :
Sample size :
To find the probability that the sample mean would differ from the true mean by greater than 42 dollars i.e. less than 24,745 dollars and more than 24,829 dollars.
The formula for z-score :-
For x = 24,745 dollars
For x = 24,829 dollars
The P-value=
Hence, the required probability = 0.0385
the answer is 16.5
Step-by-step explanation:
Answer: 8 mi3
Step-by-step explanation:
Area of triangle 1/2 * base * height
= 1/2 * 3 * 4
= 6 mi2
Volume of triangular pyramid = 1/3*area* height of pyramid
= 1/3 * 6 * 4
= 8 mi3
You worked 5:15. From 6:45 to 12 is 5:15 then as you finish at 12:30 you just have to add 30 minutes to 5:15