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juin [17]
3 years ago
9

State the appropriate null and alternate hypothesis

Mathematics
1 answer:
Nezavi [6.7K]3 years ago
4 0
The null hypothesis states that a population parameter is equal to a hypothesized value. the alternative hypothesis states that a population parameter is smaller, greater, or different than the hypothesized value in the null hypothesis
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What is another way to write |x+3|?
Solnce55 [7]

Answer:

literally 2 other options |-x+3| and x+3

Step-by-step explanation:

The lines in front of the equation is absolute value, so you  are basically counting how far it is from zero. It doesn't change the equation.

8 0
3 years ago
1) Ms. Basalyga saved 15% on her car insurance by switching to Geico. If Ms. Basalyga used to pay $350 per month for car insuran
Reil [10]

Answer:

116 dollars

Step-by-step explanation:

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3 0
3 years ago
Write the numerical expression for the product of 8 and the sum of 9 and 11.3. Then evaluate it.
Klio2033 [76]

Answer:

162.4

Step-by-step explanation:

To write the numerical expression for the product of 8 and the sum of 9 and 11.3 we need to follow these steps:

Sum of 9 and 11.3 is given as follows:

(9+11.3)

Now the product of 8 and the sum of 9 and 11.3 is:

8(9+11.3)

So the required expression is:

8(9+11.3)

Solving the above expression we get:

8(9+11.3)=8(20.3)=8 \times 20.3=162.4

3 0
3 years ago
Read 2 more answers
Public health officials believe that 90% of children have been vaccinated against measles. A random survey of medical records at
Vikentia [17]

Answer:

The answer to the question is;

Yes, it is very significant as the number of of observed vaccinated children is below the number of actually vaccinated children by 78.

Step-by-step explanation:

The result of the survey of more than 13,000 children indicate that only 89.4 % had actually been and the P-value indicate that the chance of having a sample proportion of 89.4 %  vaccinated is 1.1 %.

P is low at 0.011 for which however the proportion of those vaccinated is between 0.889 and 0.899 using a 95% confidence interval, whereby the decrease from 90 % believed to 89.9 % is small, albeit it depends on the size of the population.

At 89.4 %, in a sample of 13,000, the number of children expected to have been vaccinated but were missed is equal to 90 - 89.4 = 0.6 % = 0.006

Therefore the children missed = 78 children which is significant.

5 0
4 years ago
What’s the value of x
Sever21 [200]

Answer:

21

Step-by-step explanation:

4x and 84 share the same value, so divide 84 by 4 to get the value of x

4 0
3 years ago
Read 2 more answers
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