Answer:
The maximal margin of error associated with a 95% confidence interval for the true population mean is 2.238.
Step-by-step explanation:
We have given,
The sample size n=42
The sample mean
The population standard deviation
Let be the level of significance = 0.05
Using the z-distribution table,
The critical value at 5% level of significance and two tailed z-distribution is
The value of margin of error is
The maximal margin of error associated with a 95% confidence interval for the true population mean is 2.238.
Answer:
21
Step-by-step explanation:
7+7+7=21
Answer:
x
=
1
Step-by-step explanation:
523
x
=
523 Divide each term in 523
x
=
523 by 523
.
523
x
523
=
523 523
Cancel the common factor of 523
.
Tap for more steps...
x
=
523 523
Divide
523 by 523
.
x
=
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Answer:4 4/5
Step-by-step explanation: