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
Simplify 2/3 - 1/7 to 11/21
10/21 + 11/21
Simplify
The answer is 1.
Answer:
The area of the given triangle is 6 sq units.
Step-by-step explanation:
The area of triangle is given by
Area =
Here base is 6units and height is 2units
hence area= (6*2)/2= 6 units
81 because 81 is a perfect square and 27 times 3 =81
Answer:
the answer is D
how to try the values of the x and y
(x,y)
