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Alinara [238K]
3 years ago
9

WILL GIVE BRAINLEIST : A party hat is in the shape of a cone. What is the volume of the hat in cubic centimeters?​

Mathematics
1 answer:
Brut [27]3 years ago
7 0
36xpi or 113.1 cm^3
hope that helped!! :)
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A states division of motor vehicles claims that 60% of teens pass their drivers test on the first attempt. an investigative repo
____ [38]

Answer: There is convincing evidence at the  the significance level that the DMV's claim is incorrect.

Step-by-step explanation:

Since we have given that

Hypothesis:

H_0:p=0.6\\\\H_a:p\neq 0.6

Probability of teens pass their drivers test on the first attempt = 60% = 0.60

Number of teens = 125

Number of them passed the tests on their first try = 86

\hat{p}=\dfrac{86}{125}=0.688

So, the value of test statistic would be

z=\dfrac{\hat{p}-p}{\sqrt{\dfrac{p(1-p)}{n}}}\\\\z=\dfrac{0.688-0.60}{\sqrt{\dfrac{0.6\times 0.4}{125}}}\\\\z=\dfrac{0.088}{0.0438}\\\\z=2.009\\\\z\approx 2.01

At α = 0.05% level of significance, critical value = 1.645

Since 1.645 < 2.01

So, we will reject the null hypothesis.

Hence, there is convincing evidence at the  the significance level that the DMV's claim is incorrect.

7 0
3 years ago
Hector recorded the amount of time he spent running for 3 days what is the total number of hours hector spent running
lozanna [386]
Well you have to go by 24x3 and that equals 72 miles
5 0
3 years ago
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A Basket contains 3 types of fruits weighing 58/3 kg in all. If 73/9 kg of are apples,19/6 are oranges and the rest are pears. W
strojnjashka [21]

Answer:

Step-by-step explanation:

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4 0
2 years ago
Robert used 34 grams of iron filings in his second experiment. This is 16 grams more than twice the number of grams he used in h
sweet-ann [11.9K]

34=2x + 16

18=2x

x=9

Robert used 9 grams of iron filings in his first experiment.

3 0
3 years ago
1. Calcular las siguientes divisiones:<br>a. (+20)/(+2)<br>​
zzz [600]

this picture will explain you

the answer is 10

5 0
2 years ago
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