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A random variable X is normally distributed with a mean μ of 70 and standard deviation σ.
Determine with justification which of the following could be the value of P(X>90). List all that apply.
To earn a crown, get your answer ready before you reveal the options!
It is given that P(X>80)=0.17.
Find the value of
P(60<X<80)
P(X>80∣X>70).
Using your answer to (b.i), determine which of the following options is closest to the value of σ.
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