How can estimating products help you to place the decimal correctly?
1 answer:
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Answer:
No
Step-by-step explanation:
Let's use the Pythagorean Theorem. For those of you that don't know, it is .
11 is the bigger side in this case, so our formula would go like this: .
We now calculate to see if this is true.
25 + 36 121
Therefore, the answer is wrong.
Answer:
a
The 95% confidence interval is
b
Yes there is statistically significant evidence that students in Florida perform differently from other students in the United States
Step-by-step explanation:
From the question we are told that
The population mean is
The sample size is
The sample mean is
The standard deviation is
Given that the confidence level is 95% then the level of significance is mathematically represented as
=>
=>
The critical value for obtained from the normal distribution table is
Generally the margin of error is mathematically represented as
=>
=>
Generally the 95% confidence interval is mathematically represented as
=>
=>
Given that the population mean(1000) is not within the 95% confidence interval for l for the average test score for students in Florida, then it means that there is statistically significant evidence that students in Florida perform differently from other students in the United States