Answer:
C
Step-by-step explanation:
The Central Limit Theorem (CLT) implies that the distribution of the mean is approximately normal for large n. I.e. the distribution of the population means will be approximately normally distributed, and provided there is a large sample of the population.
1. Distribute the Negative Signs
2. Combine like terms
-2x^2 + 12x-7
Answer:
probability the student plays both instruments is [
]
<h2>
<u>
Explanation</u>
:</h2>
students who play both instruments = total students - flute players - piano players - students who play neither instruments
students who play both instruments
→ 31 - 4 - 14 - 7
→ 6 students play both instruments.
probability:
<h2>→

</h2><h2>→

</h2>
Answer:
magnitude of decrease = 120 - 54 = 66$
the percentage = (66/100)×100 = 66%
8/12 is equal to 2/3 because 2 x 4 and 3 x 4 equals 8/12