question archive lets assume females have pulse rates that are normally distributed with a mean of μ=76 beats per minute and a standard deviation of σ=12
lets assume females have pulse rates that are normally distributed with a mean of μ=76 beats per minute and a standard deviation of σ=12
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lets assume females have pulse rates that are normally distributed with a mean of μ=76 beats per minute and a standard deviation of σ=12.5 beats per minute.
If 1 adult female is randomly? selected, how would i find the probability that her pulse rate is less than 82, rounded to 4 decimal places if necessary?
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answer = 0.6844
Step-by-step explanation
we have that μ=76 and σ=12.5
z =?σx−μ??
Hence
P(x < 82) = P(z <?12.582−76?? )
=P(z < 0.48)
Now fro z table, we check the probability that correspond to z = 0.48
= 0.6844
