Carmen is selling pies at the cherry festival to raise money for her local fire department. She sells 85 pies for $12 each. The
1 answer:
Answer:
The profit made on each pie is $8.
Step-by-step explanation:
Total number of pies sold at festival = 85
The selling price of each pie = $12
The cost price of total pies = $340
Now, the Total selling price= Number of pies x Selling Price of each Pie
= 85 x $12 = $1020
Hence, the Total Selling Price = $1020
Total Profit on the Pies = Selling Price - Cost Price
= $1020 - $340 = $ 680
or, The selling profit on 85 pies is $680.
Hence, the profit on each pie =
Hence, the profit made on each pie is $8.
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Answer:
22.86% probability that the persons IQ is between 110 and 130
Step-by-step explanation:
Problems of normally distributed samples are solved using the z-score formula.
In a set with mean and standard deviation
, the zscore of a measure X is given by:
The Z-score measures how many standard deviations the measure is from the mean. After finding the Z-score, we look at the z-score table and find the p-value associated with this z-score. This p-value is the probability that the value of the measure is smaller than X, that is, the percentile of X. Subtracting 1 by the pvalue, we get the probability that the value of the measure is greater than X.
In this problem, we have that:
If one person is randomly selected what is the probability that the persons IQ is between 110 and 130
This is the pvalue of Z when X = 130 subtracted by the pvalue of Z when X = 110.
X = 130
has a pvalue of 0.9772
X = 110
has a pvalue of 0.7486
0.9772 - 0.7486 = 0.2286
22.86% probability that the persons IQ is between 110 and 130