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salantis [7]
3 years ago
8

This is my last page could really use some help thank you

Mathematics
1 answer:
Nadusha1986 [10]3 years ago
3 0
Which equation/question u want me to do it all???
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Amber surveyed a random sample of 100 students from her middle school to learn more about what type of school lunches are prefer
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Hamburgers and spaghetti are preferred almost equally. 
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3 years ago
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Golf-course designers have become concerned that old courses are becoming obsolete since new technology has given golfers the ab
zhenek [66]

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=\frac{X-M}{\frac{s}{\sqrt{N} } } 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=\frac{233.8-235}{\frac{46.6}{\sqrt{192} } } =-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.

6 0
3 years ago
A beaker contains 1 1/4 pants of a chemical. A scientist pours the chemical out of the beaker until three fluid ounces remain.
Pepsi [2]
He poured 34 fl oz it sounds wrong but it’s correct
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3 years ago
How to solve the system of equations that answers as all real numbers?
bija089 [108]

You can solve a system using substitution, elimination, or graphing method.

If you solve using substitution or elimination, the variable will cancel out on both sides and you will be left with a number equal to a number.  If "number = number" is a TRUE statement, then the solution is ALL Real Numbers.  <em>If it is a FALSE statement, then you will have NO solutions.</em>

If you solve using the graphing method and the lines are exactly the same, then the solution is Infinite solutions (aka ALL Real Numbers).  <em>If the lines are parallel, then you will have NO solution.</em>


5 0
3 years ago
Pls answer these and thats all
cestrela7 [59]

Answer:

1-

2- Im guessing it means for y since i dont see the answer for x there so D

3-A

Step-by-step explanation:

7 0
3 years ago
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