C is the answer radical 77/22
Answer:

Therefore the probability that a randomly selected student has time for mile run is less than 6 minute is 0.0618
Step-by-step explanation:
Normal with mean 6.88 minutes and
a standard deviation of 0.57 minutes.
Choose a student at random from this group and call his time for the mile Y. Find P(Y<6)


y ≈ normal (μ, σ)
The z score is the value decreased by the mean divided by the standard deviation

Therefore the probability that a randomly selected student has time for mile run is less than 6 minute is 0.0618
Answer:
Step-by-step explanation:
The given functions are
It is given that
Substitute the values of given functions in the above equation.
Combine like terms.
Therefore, the required function is
.
Answer:
4 < x < 14
Step-by-step explanation:
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