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Ocean floor takes up 2/5 space if 3/8 is coral how much space is coral
1 answer:
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Answer:
<h3>The answer is 0.5 m/s²</h3>Step-by-step explanation:
To find the acceleration of an object given it's mass and the force acting on it can be found by using the formula
From the question
force = 5 N
mass = 10 kg
So we have
We have the final answer as
<h3>0.5 m/s²</h3>Hope this helps you
Answer:
The mean is of -0.4 hours.
Step-by-step explanation:
To solve this question, we need to understand the central limit theorem and subtraction of normal variables.
Central Limit Theorem
The Central Limit Theorem establishes that, for a normally distributed random variable X, with mean and standard deviation
, the sampling distribution of the sample means with size n can be approximated to a normal distribution with mean
and standard deviation
.
For a skewed variable, the Central Limit Theorem can also be applied, as long as n is at least 30.
Subtraction between normal variables:
When two normal variables are subtracted, the mean is the difference of the means, while the standard deviation is the square root of the sum of the variances.
Mean of the sample of 64 Duracell:
By the Central Limit Theorem, 4.1 hours.
Mean of the sample of 64 Eveready:
By the Central Limit Theorem, 4.5 hours.
Mean of the difference?
Subtraction of normal variables, so we subtract the means.
4.1 - 4.5 = -0.4
The mean is of -0.4 hours.