X = -7
y = 2
2 x (-7) + 5 x 2 = -4
3 x (-7) - 2 = 11
-14 + 10 = -4
-21 - 2 = 11
-4 = -4 (yes)
-23 = 11 (no)
Answer: (-7, 2) is not a solution
Answer:
Step-by-step explanation:
Hope this helps!
Answer:
nice wingdings
Step-by-step explanation:
Answer:
25.14% probability that his score is at least 582.5.
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:
If 1 of the men is randomly selected, find the probability that his score is at least 582.5.
This is 1 subtracted by the pvalue of Z when X = 582.5. So
has a pvalue of 0.7486
1 - 0.7486 = 0.2514
25.14% probability that his score is at least 582.5.
Answer:
Step-by-step explanation: 200 . U Round below to the nearest hundred when the last two digits are 49 or lower u round above when the last two digits are 50 and up