What is the domain of the function in the graph?
2 answers:
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Answer:
800 people
Step-by-step explanation:
We are given in the question that 2/3 of 2400 people preferred skinless chicken.
We have to find the number of people who prefer skinless chicken
1600 people prefer skinless chicken,
So,
The number of people who prefer regular chicken = 2400-1600
= 800 people
Answer:
57.885
Step-by-step explanation:
For such calculations a probability calculator is very helpful. The one in the attachment shows the 87th percentile to be 57.885.
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A table of the standard normal distribution will tell you the 87th percentile corresponds to a z-value of 1.12639. Then the X value is ...
X = Zσ +μ = 1.12639(7) +50 = 57.885
