Answer:
test statistic is ≈ -0.36
p-value is ≈ 0.64
There is no significant evidence that the average golfer can hit the ball more than 235 yards on average.
Step-by-step explanation:
a hypothesis test where H_0: mu = 235 and H_1:mu > 235
test statistic can be calculated as follows:
z=
where
- sample mean driving distance (233.8 yards)
- M is the average expected distance that the average golfer can hit the ball under null hypothesis. (235 yards)
- s is the standard deviation (46.6 yards)
- N is the sample size (192)
Then test statistic is z=
=-0.3568
p-value is 0.64 >0.05
There is no significant evidence that the average golfer can hit the ball more than 235 yards on average.
When you multiply two negative numbers it will be possitive. A way to know that is if there is an even number of negatives its posistive here we have 2 negative numbers and 2 is an even number sooooooo it is a positive! Hope this helps and have a great day!
Answer:
100,000
Step-by-step explanation:
Answer:
(3)
Step-by-step explanation: