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Ostrovityanka [42]
3 years ago
10

Does soil filled with nitrogen increase the weight of worms compared with soil without nitrogen? The weight of 12 randomly selec

ted worms is acquired, six in soil with nitrogen and six in soil without nitrogen. The mean weight of worms in soil with nitrogen was 41.3 micrograms whereas the mean weight of worms in soil without nitrogen was 38.9 micrograms. A researcher randomized the data over 100 trials, and the difference of means for each trial is shown in the dot plot below
Mathematics
1 answer:
weqwewe [10]3 years ago
3 0
Nitrogen does make the weight increase based on the given information
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Mathematics <br> Simple events likelihood experimental probability
saw5 [17]

Problem 1

Answer: Closer to 1

Explanation:

There are 20 gumballs total. Half of this is 20/2 = 10 gumballs. If there's more than 10 of one color, then the probability of getting that color is closer to 1, than it is to 0. Here we have 12 pink which is greater than 10, so that's why the answer is closer to 1.

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Problem 2

Answer: Closer to 0

Explanation:

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Problem 3

Answer: Closer to 0

Explanation:

We have a similar situation compared to problem 2. This time we have 5/20 = 0.25 which is less than 0.50

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Problem 4

Answer: 48% chance; fairly likely

Explanation:

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3 0
3 years ago
in a election about 500,000 people voted in all. what could be the exact number of people who voted in the election?
Varvara68 [4.7K]
450000 or 549000/550000
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