Answer:
b) B and D and c) A and C
Step-by-step explanation:
The hypotheses would be:
(Right tailed test at 5% level)
Sample proportions are
Sample A B C D
Success 31 34 27 38
Proportion p 0.775 0.85 0.675 0.95
Std error
(sqrtpq/n) 0.066 0.056 0.074 0.034
p diff
p-0.75 0.025 0.10 - 0.075 0.20
Z stat
p diff/SE 0.0757 1.77 1.01 5.80
p value 0.469 0.038 0.156 0.000001
we find that p value is more smaller than alpha, the more accurate the alternate hypothesis.
b) Only B and D provide against the null. Because p <0.05
c) A and C provide no evidence for the alternative because p >0.05
Answer:
The answer is "300".
Step-by-step explanation:
Please find the complete solution in the attached file.
Answer:
Step-by-step explanation:
It is a good idea to try to save up money to buy large items or find 0% interest deals so
you are not paying interest. However, this is not always possible, especially when buying
a house or car. That is when it is important to understand how much interest you will be
charged on your loan.
Answer:
Step-by-step explanation:
distributive property
-8 + 2x = 12x - 3
add 3 to both sides
-5 + 2x = 12x
subtract 2x from both sides
-5 = 10x
divide by 10 for both sides
-5/10 = x
-0.5 = x
Answer:
420 miles in 2 hours.
If it where to fly for 13 hours then you divide 420 by 2 which is 210. Multiply 210 by 13.
=2730 miles.
The rate of speed would be 420 divided by 2. This would equal 210 miles per hour.
