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MAXImum [283]
4 years ago
14

All of those ones please

Mathematics
1 answer:
oksano4ka [1.4K]4 years ago
7 0

Answer:

7 is A

Step-by-step explanation:

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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
3 years ago
What is the area of polygon ABCDE?
marta [7]

Answer:86

Step-by-step explanation

140-(16+24+5+9) 140-54 = 86

6 0
3 years ago
Use the quadratic formula to find both solutions to the quadratic equation given below 3x^2-x+6=0
Mrac [35]

Hello from MrBillDoesMath!

Answer:

Choice E and F

Discussion:

From the quadratic formula with a = 3, b = -1, and c = 6

x =  ( -b +\- sqrt(b^2 - 4ac)  ) / (2a)       => substitute in a,b,c from above

x = ( -(-1) +\- sqrt((-1)^2 - 4(3)(6)) / (2*3)  => discriminant = 1 - 72 = -71)

x = ( 1 +\- sqrt(-71))/ 6

which are choices E and F

Thank you,

MrB

6 0
4 years ago
Read 2 more answers
Mr. Wong bought 6 raffle tickets for $4 each. He gave each of his 3 children the same number of tickets. What was the cost of th
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W=cost of one ticket

6w=$4
divide 6 on both sides
w=2/3 dollars per ticket

each child will get two tickets because 6/3 is 2

2/3×2= 4/3= $1.33 per child
5 0
3 years ago
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Find m Of the function
Masteriza [31]

Answer:

m=1

Step-by-step explanation:

slope formula is y=mx-b

whenever a variable is by itself, the coefficient is always 1

6 0
3 years ago
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