HELP PLEASE
2 answers:
Answer:
No, because the bike order does not meet the restrictions of and
Step-by-step explanation:
The correct answer is option 1:
(As each child bike takes 4 hours to build and each adult bike takes 6 hours to build, and the company has building time up to 120 hours)
(As each child bike takes 4 hours to test and each adult bike takes 4 hours to test, and the company has testing time up to 100 hours)
We will substitute 20 for 'c' and 6 for 'a'
This is true.
For the second inequality;
So, this is not true.
Hence, option 1st is true.
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Answer:
14.69% probability that defect length is at most 20 mm
Step-by-step explanation:
When the distribution is normal, we use the z-score formula.
In a set with mean and standard deviation
, the zscore of a measure X is given by:
The Z-score measures how many standard deviations the measure is from the mean. After finding the Z-score, we look at the z-score table and find the p-value associated with this z-score. This p-value is the probability that the value of the measure is smaller than X, that is, the percentile of X. Subtracting 1 by the pvalue, we get the probability that the value of the measure is greater than X.
In this question, we have that:
What is the probability that defect length is at most 20 mm
This is the pvalue of Z when X = 20. So
has a pvalue of 0.1469
14.69% probability that defect length is at most 20 mm