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gladu [14]
2 years ago
9

Can someone help me with these questions?

Mathematics
1 answer:
Maslowich2 years ago
8 0
4.334, just use your calculator
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Please I need help ASAP
Allisa [31]

Answer:

it's 4.5

Step-by-step explanation:

you have to find the difference between each number and the mean. then you find the mean of that sum

4 0
3 years ago
Read 2 more answers
The following is a set of hypotheses, some information from one or more samples, and a standard error from a randomization distr
Tanya [424]

Complete Question

The following is a set of hypotheses, some information from one or more samples, and a standard error from a randomization distribution. Test H_o : p =  0.28 vs H a : p <  0.28when the sample has n 900 , and \^ p = 0.216 with SE=  0.01 . Find the value of the standardized z -test statistic. Round your answer to two decimal places.

Answer:

The value is  z =  -6.40

Step-by-step explanation:

Generally the standardized test statistics is mathematically represented as

     z =  \frac{\^ p  -  p }{ SE }

=>  z =  \frac{0.216  -  0.28 }{ 0.01  }

=>  z =  \frac{0.216  -  0.28 }{ 0.01  }

=>  z =  -6.40

4 0
2 years ago
Solve the given equation. (Enter your answers as a comma-separated list. Let k be any integer. Round terms to two decimal places
Leya [2.2K]

Answer:

  θ = {(4/3 +2k)π, (5/3 +2k)π}

Step-by-step explanation:

From your knowledge of trig functions, you know that sin(60°) = sin(π/3) = (√3)/2. So, the angles of interest are in the 3rd- and 4th-quadrant and will have π/3 as their reference angle.

  θ = 4/3π +2kπ, and 5/3π +2kπ

7 0
3 years ago
Colton bought a pair of sunglasses online for $69. He used a coupon code to get a 30% discount. The website also applied a 20% p
beks73 [17]
12 equals the Suns size and distance
8 0
3 years ago
375 x 22<br><br> What is the answer and how do we get it
Novay_Z [31]

Answer:

375x22= 8,250

Step-by-step explanation:

use a calculator!

5 0
2 years ago
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