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adoni [48]
3 years ago
15

Someone please help me will give BRAILIEST!!!!!!!!

Mathematics
2 answers:
Bogdan [553]3 years ago
5 0
5/6
is the answer because you could roll anything other than a four
xenn [34]3 years ago
4 0
Well I am pretty sure since the chances of rolling a four are 1/6 then rolling anything else would make a 5/6
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An inspector inspects large truckloads of potatoes to determine the proportion p in the shipment with major defects, prior to us
Sindrei [870]

Answer:

0.06 - 1.96\sqrt{\frac{0.06(1-0.06)}{200}}=0.027

0.06 + 1.96\sqrt{\frac{0.06(1-0.06)}{200}}=0.093

The 95% confidence interval would be given by (0.027;0.093)

A. 0.027 to 0.093.

Step-by-step explanation:

Notation and definitions

X=12 number of defective.

n=200 random sample taken

\hat p=\frac{12}{200}=0.06 estimated proportion of defectives

p true population proportion of defectives

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}})

Solution to the problem

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 confidence interval for the mean is given by the following formula:  

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

If we replace the values obtained we got:

0.06 - 1.96\sqrt{\frac{0.06(1-0.06)}{200}}=0.027

0.06 + 1.96\sqrt{\frac{0.06(1-0.06)}{200}}=0.093

The 95% confidence interval would be given by (0.027;0.093)

A. 0.027 to 0.093.

6 0
3 years ago
Mesha is comparing 1/3 and 3/5 using benchmarks 0 and 1. Which statements are correct? Check a that apply.
Dennis_Churaev [7]

Answer:

A, C

Step-by-step explanation:

Let's use a different benchmark for this: 1/2. Half of 5 is 2 1/2, so 3/5 is clearly <em>bigger</em> than 1/2 (since 3 is bigger than 2 1/2). Half of 3 is 1 1/2, so 1/3 is clearly <em>smaller</em> than a half (since 1 is smaller than 1 1/2). We have

1/3 < 1/2 < 3/5

Which, of course, implies that <em>1/3 is less than 3/5</em>, and by being smaller, <em>1/3 is closer to 0 than to 1</em>.

5 0
3 years ago
Read 2 more answers
I am trying to find the next number in this number sequence and I dont know how! its like this, 2,9,37,149,597,2389, ... whats t
Molodets [167]

\bf 2~~,~~\stackrel{2(4)+1}{9}~~,~~\stackrel{9(4)+1}{37}~~,~~\stackrel{37(4)+1}{149}~~,~~\stackrel{149(4)+1}{597}~~,~~\stackrel{597(4)+1}{2389}~~,~~\boxed{\stackrel{2389(4)+1}{9557}}

6 0
3 years ago
What is a good word problem for 3+(3*12)
Agata [3.3K]
Twelve times 3 added to three is equal to?
4 0
3 years ago
The picture is above I’ll mark as brainliest.
Mekhanik [1.2K]

Answer:

area=l×b

24=6×b

or,24=6b

or, 24/6=b

or,4=b

therefore,b=4..

width =4

6 0
3 years ago
Read 2 more answers
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