The number, N, of napkins used in a restaurant is N =f(C) = 2C, where C is the number of customers.
1 answer:
Answer:
The dependent variable is N; Number of Napkins
The independent variable is C; Number of Customers
Step-by-step explanation:
Given
Required
Determine the dependent and independent variable
Dependent variables are variables that standalone and are not influenced by other variables;
In the given parameters
<em>The customers, C is the independent variable</em>
Independent variables are the opposite of the dependent variables; They depend on other variables for their own values.
In the given parameters
<em>The number of Napkin, N is the dependent variable</em>
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Answer:
0.1151 = 11.51% probability of completing the project over 20 days.
Step-by-step explanation:
Normal Probability Distribution
Problems of normal distributions can be solved using the z-score formula.
In a set with mean and standard deviation
, the z-score 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 p-value, we get the probability that the value of the measure is greater than X.
Expected completion time of the project = 22 days.
Variance of project completion time = 2.77
This means that
What is the probability of completing the project over 20 days?
This is the p-value of Z when X = 20, so:
has a p-value of 0.1151.
0.1151 = 11.51% probability of completing the project over 20 days.