Pls answer asap!! will mark brainliest giving 50 points ty ily <3
2 answers:
Answer:
56
Step-by-step explanation:
Hello!
We have to follow the order of PEMDAS
Parenthesis, Exponents, Multiplication and Division, Addition and Subtraction
5 x 5 - (6 - 1) +
Parenthesis First
Exponents next
Multiplication and Divsion from left to right
25 - (5) + 36
Addition and Subtraction from left to right
20 + 36
56
The answer is 56
Hope this Helps!
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Answer:
At least 202.44 mm in the top 15%.
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:
How many yearly mm of rainfall would there be in the top 15%?
At least X mm.
X is the 100-15 = 85th percentile, which is X when Z has a pvalue of 0.85. So X when Z = 1.037.
At least 202.44 mm in the top 15%.