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6) (b+4)(b+4)
8) (y-3)(y+2)
10) (y-3)(y-5)
12) (b+4)(b+5)
14) (a-3)(a-12)
6) (b+4)(b+4)
8) (y-3)(y+2)
10) (y-3)(y-5)
12) (b+4)(b+5)
14) (a-3)(a-12)
Answer:
a. 0.1587
b. 0.8849
c. 0.1814
Step-by-step explanation:
a. Given that
-The probability a randomly selected score is greater than 30.4 is calculated as:
Hence, the probability of a score greater than 30.4 is 0.1587
b. Given that
The probability a randomly selected score is less than 32.8 is calculated as:
Hence, the probability that a randomly selected score is less than 32.8 is 0.8849
c. The probability that a score is between 25.6 and 32.8 is calculated as follows:
Hence, the probability is 0.1814
Answer:
Step-by-step explanation:
Let
m-----> the amount of minerals
w-----> the number of workers
we know that
so
-----> the relationship represent a proportional variation