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V125BC [204]
3 years ago
7

4. What percent relates to when an event will definitely happen?

Mathematics
2 answers:
Pavel [41]3 years ago
6 0

Answer:

C

Step-by-step explanation:

If we know that the event will <em>definitely</em> happen, then there is no doubt and no probability that the event will <em>not</em> happen.

This means that the probability is 1, which is the same as 100%.

balandron [24]3 years ago
4 0
It would be answer c because 100% means that there will be no other outcome besides the one event
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2 years ago
A food scientist takes a random sample of 25 cereals in order to test the claim that the mean fiber content is less than 2.5 gra
Jlenok [28]

Answer:

Choice A: there is insufficient evidence to conclude that the mean for the fiber content is less than 2.5 gms.

Step-by-step explanation:

From the graphs given the more appropriate is one sample t- test

One sample t- test is used and the results are

Hypothesis Test                       Fiber

Sample Mean                          2.62

Sample St. Dev                       3.492

Degrees of Freedom              24

t- test statistic                         0.1718

p- value                                    0.5675

the critical region for this test at ∝= 0.05 is t < -1.711

There is not enough evidence to reject the null hypothesis.

Since the calculated t=   0.1718 does not fall in the critical region the null hypothesis is accepted that the mean fiber content is not  less than 2.5 grams.T

6 0
3 years ago
Jerry has 25 weeks left to save $2,320 for a trip. If he saves an equal
Gwar [14]
Divide 25 by 2320 to get $92.80. 
7 0
2 years ago
Read 2 more answers
As soon as I knew cars purchased and driven away from the dealership it begins to lose its value or depreciate also bought a 199
balandron [24]

Answer:

  11.1%

Step-by-step explanation:

The percentage change in a value can be computed from ...

  %change = ((new value)/(old value) -1) × 100%

  = ((8500/9559) -1) × 100%

  = (0.8892 -1) × 100%

  = -11.08%

The value of the car decreased about 11.1% in the first year.

5 0
3 years ago
Sorry if you can't see it correctly !! the question is-
Anna35 [415]
So you would put 9 in for both of the D’s . Which would be 3(9) + 9^2. You will simply it and it’ll be 27+81 which is 108. THE ANSWER IS 108
8 0
2 years ago
Read 2 more answers
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