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schepotkina [342]
3 years ago
14

What is 1 add 1 please help!!!!!!!!!!!!!!!PS first person to get it correct gets brainiest

Mathematics
2 answers:
Studentka2010 [4]3 years ago
7 0

Answer:

2...........

Step-by-step explanation:

1 + 1 = 2............

Nadusha1986 [10]3 years ago
4 0

Answer: 2

Step-by-step explanation:

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Leila has $420 in her bank account. Every month, she deposits another $40 into her account. At this rate, in how many more month
Paladinen [302]

Answer:

12

Step-by-step explanation:

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7 0
2 years ago
Simplify the radicals: do 10- 18, no need to show work if you usually do, thank you!!
Ainat [17]

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Step-by-step explanation:

3 0
3 years ago
suppose you toss a coin 100 times and get 60 heads and 40 Tails based on these results what is the probability that the next fli
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4 0
3 years 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

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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
Suppose a computer virus begins by infecting 8 computers in the first hour after it is released. Each hour after that, each newl
Mila [183]
y=8^x&#10;\\x=1\Rightarrow y=8^1=8&#10;\\x=2\Rightarrow y=8^2=64&#10;\\x=3\Rightarrow y=8^3=512&#10;\\x=4\Rightarrow y=8^4=4,096
3 0
3 years ago
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