Answer:
30 J
Step-by-step explanation:
W = mg = 3 N
h = 10 m
Potential Energy = mgh = 3*10 = 30 J
Answer: 95% confidence interval would be (26.01,29.39).
Step-by-step explanation:
Since we have given that
n = 50
Mean = 27.7
Standard deviation = 6.12
We need to construct 95% confidence interval for the population.
so, z = 1.96
So, it becomes,
Hence, 95% confidence interval would be (26.01,29.39).
Answer:
C
Step-by-step explanation:
Answer:
288.68 square millimeters
Answer:
The probability that the marble you select is black is 0.5167
Step-by-step explanation:
Let,
the probability of selecting one marble from box A
the probability of selecting one marble from box B
be the probability of selecting black marble from box A
be the probability of selecting black marble from box B
Now
P(Selecting a Black Marble ) =
=>
=>
=>
=>
=>
=>
=>0.5167