Just do #6, giving all I have!
1 answer:
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Answer:
The sample size must be atleast 3600
Step-by-step explanation:
We are given the following in the question:
The scores of individual students on the American College Testing (ACT) Program is a bell shaped distribution that is a normal distribution.
Population standard deviation = 6.0
We want that the sample standard deviation should not be more than 0.1.
Thus, the standard error should not be more than 0.1.
Standard error =
Putting values, we get,
Thus, the sample size must be atleast 3600
<h3>Answer:</h3>
In this question, we're trying to find how much Hermione spent on plums.
We know that:
- Hermione bought 9/10 of a pound of plums
- Plums cost $1.30 <em>per pound</em>
With the information above, we can solve the question.
Since we know that plums cost $1.30 per pound and Hermione bought 9/10 of a pound, we would multiply 1.30 by 0.90 in order to get the price Hermione bought the plums for. Hermione is pretty much paying 90% of the cost of a pound.
When you multiply, you should get 1.17
This means that Hermione spent $1.17 on 9/10 pound of plums.
<h3>I hope this helped you out.</h3><h3>Good luck on your academics.</h3><h3>Have a fantastic day!</h3>