The next (2) numbers are 40 and 41!
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Answer:
$15. 90
Step-by-step explanation:
3% of 530= 15.9
200% bc it went up 2x as much as it cost before
If you are solving for x than the answer would be x=4.
Answer: One sample z test for means
Step-by-step explanation:
From the information given, the sample size is large. It is greater than 30. Again, the population standard deviation is given. This means that the test statistic would be the z score which is determined by the formula
z = (x - µ)/σ
Where
x = sample mean
µ = population mean
σ = population standard deviation
The probability value would be determined from the normal distribution table.
Therefore, the hypothesis test that should be used is
One sample z test for means