Answer:
3
5
49
289
15625
just find the answer of each and then divide em by each other
ex:
= 81 and
= 27
81 divided by 27 equals 3
Which of the following statements is false?
2 answers:
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The mean is and standard deviation is
. Then the variable
.
Use substitution , then the variable
.
The probability can be calculated in the following way:
for X=80, and
. From the diagram
.
Conclusion: if 188 students take the exam, then 188·0.84=157.92 (157) would receive a score above 80