When baking a cake, you have a choice of the following pans:a round cake pan that is 2 inches deep and has a 7 inch diametera 6
inch x 9 inch rectangular cake pan that is 2 inches deepa. Which of these pans has the larger volume? Justify your answer.b. Excluding the bottom of the cake, what is the surface area ofeach cake that willbe covered by frosting? Justify your answer.
1 answer:
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Probability that the mean childhood asthma prevalence for the sample is greater than 2.6% is 0.0357 or 3.57 %.
What is Probability ?
Probability is the measure of likelihood of an event.
For a Normal Distribution ,
the z-score formula is given by
Here is the mean and
is the standard deviation .
It is the measure of the deviation of the data from its central tendency.
Each z-score has a probability value.
It is given in the question that
Mean of 2.16% = = 2.16
Standard deviation of 1.36% means that = 1.36
For Sample of 31 the value of standard deviation is
s = 1.36/√31
s = 0.2442
Substituting the values
Z = (2.6 -2.16)/0.2442
Z =1.8
the p value from the graph of z and p , 0.9643
To determine value of probability more than X is 1 - 0.9643= 0.0357
the
Probability that the mean childhood asthma prevalence for the sample is greater than 2.6% is 0.0357.
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