What is the answer if x=2? -3x^2+14x-2
2 answers:
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Answer:
19.77% of average city temperatures are higher than that of Cairo
Step-by-step explanation:
Problems of normally distributed samples are solved using 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 percentage of average city temperatures are higher than that of Cairo?
This is 1 subtracted by the pvalue of Z when X = 21.4.
has a pvalue of 0.8023
1 - 0.8023 = 0.1977
19.77% of average city temperatures are higher than that of Cairo
we are given
geometric sequence -36, 6, -1, 1/6, ...
first term is -36
now, we can find common ratio
now, we can find nth term
now, we can plug values
and we get
now, we can find 5th term , 6th term, 7th term
fifth term:
sixth term:
seventh term:
so, next terms are
,
, .............Answer