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2 years ago

Which dot plot has the greatest number of observations Answer: the first one

Mathematics

1 answer:

lyudmila [28]2 years ago

4 0

Answer:

You did not give the dot plots for comparison. It is quite easy to determine which dot plot has the greatest number of observations.

Each dot represents equal weighs, and so, the dot plot with the highest number of dots has the greatest number of observations.

A dot plot with 10 dots has a greater number of observation than a dot plot with 5 dots. And so on.

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The largest z-score available in most tables is 2.99, which corresponds to a probability of 99.86%. A fair coin is

lana66690 [7]

Answer:

The number of heads observed is 121.14 heads

Step-by-step explanation:

The formula for the z-score of a proportion is given as follows;

$z=\dfrac{\hat{p}-p}{\sqrt{\dfrac{pq}{n}}}$

Where:

${\hat{p}$ = Sample proportion

p = Population success proportion = 0.5

q = 1 - p = 1 - 0.5 = 0.5

n = Number in of observation = 200

z = 2.99

Hence, we have;

$z=\dfrac{\hat{p}-0.5}{\sqrt{\dfrac{0.5 \times 0.5}{200}}} = 2.99$

Therefore;

${\hat{p}-0.5}{} = 2.99 \times \sqrt{\dfrac{0.5 \times 0.5}{200}} = 2.99 \times\dfrac{\sqrt{2} }{40}$

${\hat{p}$ = 0.6057

$Whereby \ \hat p = \dfrac{Number \ of \ heads}{Number \ of \ observation} = \dfrac{Number \ of \ heads}{200} = 0.6057$

∴ The number of heads observed = 200 × 0.6057 = 121.14 heads.

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2 years ago

How many numbers are there between 1 and 1000 that dont include the digit 9

labwork [276]

999 I think... let me know if that is correct:)

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2 years ago

Manuel rented a truck for one day. There was a base fee of $14.95, and there was an additional charge of 87 cents for each mile

sp2606 [1]

base fee 14.95

0.87 cents per mile

total =248.98

248.98-14.95 = 234.03

234.03/0.87 =269 miles

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3 years ago

A carousel factory has 1,252 carousel horses. 48 horses are placed on each carousel. How many carousels can the factory build? H

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4 carousels will be left over

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AlekseyPX

66 is the answer (56+10)

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