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GREYUIT [131]
2 years ago
10

How do I give a Brainliest to somebody?

Mathematics
2 answers:
Dominik [7]2 years ago
6 0

Answer:

there have to be at least two answers, then you have the option to mark brainliest by pressing the crown

Step-by-step explanation:

Hope this helps!

vlada-n [284]2 years ago
6 0

Answer:

Just click the crown above some ones answer when 2 people answer your question. You can only mark someone brainliest if you ask a question, not on other peoples questions.

Step-by-step explanation:

Have a great day and pls mark me brainliest ;)

#Equestrians

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The variable, y, varies directly with x. if y = 20 when x = 25, what is y when x = 43? Also please explain so I can understand t
Gwar [14]

Answer:

25

Step-by-step explanation:

4 0
1 year ago
in 1991, a gallup poll reported this percent to be 79%. using the data from this poll, test the claim that the percent of driver
snow_lady [41]

We reject our null hypothesis, H₀, at a level of significance of =0.01 since the P-value is less than that threshold. There is compelling statistical data to indicate that since 1991, the proportion of drivers who love driving has decreased.

Given,

The Pew Research Center recently polled n=1048 U.S. drivers and found that 69% enjoyed driving their automobiles.

In 1991, a Gallup poll reported this percentage to be 79%. using the data from this poll, test the claim that the percentage of drivers who enjoy driving their cars has declined since 1991.

To report the large-sample z statistic and its p-value,

Null hypothesis,

H₀ : p = 0.79

Alternative hypothesis,

Ha : p < 0.79

Level of significance, α = 0.01

Under H₀

Test statistic,

Z_0= \frac{\hat p - p}{\sqrt{\frac{p(1-p)}{n} }  }

Z₀ = -7.948

The alternative hypothesis(Ha) is left-tailed, so the P-value of the test is given by

P-value = P(z <-7.945)

            = 0.000     (from z-table)

Since the P-value is smaller than given level of significance, α=0.01 we reject our null hypothesis, H₀, at α=0.0.1 level Strong statistical evidence to conclude that the percentage of drivers who enjoy driving their cars has declined since 1991.

To learn more about hypothesis click here:

brainly.com/question/17173491

#SPJ4

5 0
1 year ago
A bag contains 3 white marbles, 2 black marbles, and 5 red marbles. Find the probability of picking a red marble
likoan [24]

Answer:

the probability is 50%

5 0
3 years ago
Read 2 more answers
Find the distance between points (2, 9) and (5, 4) to the nearest tenth​
Troyanec [42]

Answer:

Distance = 5.8

Step-by-step explanation:

d=\sqrt{(4-9)^{2} } { (5-2)} ^{2} \\

d = -5^{2}  + 3^{2}

d= 25 + 9

d= \sqrt{34}

distance = 5.8

3 0
3 years ago
How do u solve -5x-10=10
umka2103 [35]
How many groups of 3 do you have
4 0
3 years ago
Read 2 more answers
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