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viva [34]
3 years ago
11

Write ten hundredths in standard form

Mathematics
2 answers:
tatiyna3 years ago
6 0
The answer would be 0.01 because 1 is one and 0.1 is one tenth.
alexandr1967 [171]3 years ago
4 0
0.1 I keep it nice and simple your welcome
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(a) A newspaper conducted a statewide survey concerning the 1998 race for state senator. The newspaper took a SRS of 1200 regist
Sladkaya [172]

Answer:

n=9604

Step-by-step explanation:

1) Notation and definitions

X=620 number of people that would vote for the Republican candidate

n=1200 random sample taken

\hat p=\frac{620}{1200}=0.517 estimated proportion of people that would vote for the Republican candidate

p true population proportion of people that would vote for the Republican candidate

Me= 0.01 represent th margin of error.

Confidence =0.95 or 95%

A confidence interval is "a range of values that’s likely to include a population value with a certain degree of confidence. It is often expressed a % whereby a population means lies between an upper and lower interval".  

The margin of error is the range of values below and above the sample statistic in a confidence interval.  

Normal distribution, is a "probability distribution that is symmetric about the mean, showing that data near the mean are more frequent in occurrence than data far from the mean".  

The population proportion have the following distribution

p \sim N(p,\sqrt{\frac{p(1- p)}{n}})

In order to find the critical value we need to take in count that we are finding the interval for a proportion, so on this case we need to use the z distribution. Since our interval is at 95% of confidence, our significance level would be given by \alpha=1-0.95=0.05 and \alpha/2 =0.025. And the critical value would be given by:

z_{\alpha/2}=-1.96, z_{1-\alpha/2}=1.96

The margin of error for the proportion interval is given by this formula:  

ME=z_{\alpha/2}\sqrt{\frac{\hat p (1-\hat p)}{n}}    (a)  

And on this case we have that ME =\pm 0.01 and we are interested in order to find the value of n, if we solve n from equation (a) we got:  

n=\frac{\hat p (1-\hat p)}{(\frac{ME}{z})^2}   (b)  

The problem says that we need to use \hat p =0.05, and replacing into equation (b) the values from part a we got:

n=\frac{0.5(1-0.5)}{(\frac{0.01}{1.96})^2}=9604  

And rounded we have that n=9604

6 0
3 years ago
The probability of winning the 2010 Megamillions lottery was about 0.0000000057. Write the number in scientific notation.
telo118 [61]

Answer:

5.7 × 10^-9

Step-by-step explanation:

decimal point is 9 spots to the left that's why it's 10^-9

4 0
2 years ago
Which equation could have been used to create this function table?
anzhelika [568]

Answer:

y = x+2 is your answer

Step-by-step explanation:

you add two to x to get y

7 0
3 years ago
Read 2 more answers
HELLPPPPPPPPPPP PLEASE
KiRa [710]
Alright, so we plug (-2) in for x. (-2)^2 =4, and we can plug that in as 4(4)+(-2)+5. Next, 4*4=16, so we get 15+(-2)+5. After that, we get 15-2+5=18
3 0
3 years ago
Please answer i will give brainlest
Vitek1552 [10]

Answer:

here ya go

Step-by-step explanation:

1. 20

2.1793

3. 1943

im noy to sure on the bottom ones but use ctrl f in the notes you use for this or something and type in the "transacted" or something in the question and your answer should pop up

7 0
2 years ago
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