Yuri computes the mean and standard deviation for the sample data set 12, 14, 9, and 21. he finds the mean is 14. his steps for
finding the standard deviation are below. what is the first error he made in computing the standard deviation
1 answer:
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Answer: 0.03855
Step-by-step explanation:
Given :A population of skiers has a distribution of weights with mean 190 pounds and standard deviation 40 pounds.
Its maximum safe load is 10000 pounds.
Let X denotes the weight of 50 people.
As per given ,
Population mean weight of 50 people =
Standard deviation of 50 people
Then , the probability its maximum safe load will be exceeded =
Thus , the probability its maximum safe load will be exceeded = 0.03855
Answer:
Rate at which pool is getting filled m/hr
Step-by-step explanation:
Given
Depth up to which the pool gets filled in two hours is equal to centimeter
As we know
One meter centimeter
So centimeter is equal to
meter
Rate at which pool is getting filled is equal to height up to which water is filled in 2 hours divided by time taken
Rate at which pool is getting filled m/hr