Which rule best described the following pattern 5,6,15,16,25,26,35
1 answer:
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Answer:
P(x>278) is 0.16
Step-by-step explanation:
We are given that a normal distribution has a mean of 266 and a standard deviation of 12.
Mean =
Standard deviation =
We are supposed to find P(x > 278)
So, Formula :
Z=1
Refer the z table for p value
p value = 0.8413
P(x<278) is 0.84
P(x>278)=1-P(x<278)=1-0.84=0.16
Option A is true
Hence P(x>278) is 0.16