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UkoKoshka [18]
3 years ago
11

After a tropical storm in a certain state, news reports indicated that 19 percent of households in the state lost power during t

he storm. A state engineer believes that estimate is too low. The engineer will collect data to perform a hypothesis test on the proportion of all households without power. Which of the following are the appropriate hypotheses for such a test?
Mathematics
1 answer:
olya-2409 [2.1K]3 years ago
7 0

Answer:

H0:p=0.19

Ha:p>0.19

Step-by-step explanation:

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I WILL GIVE BRAINLIEST! ALSO KEEP AWARE!
Solnce55 [7]

Answer:

Step-by-step explanation:

<u><em>An equation y = kx represent a proportional relation and k = </em></u>\frac{y}{x}<u><em> </em></u>

⊕ Yes, the constant of proportionality is 3.5

7 0
3 years ago
Which expression represents a negative number? A.-4.5x-22.1 B.4.5x22.1 C.-45x2.21 D.-45x-2.21
nekit [7.7K]

Hey there!

-4.5 * (-22.1)

= -4.5(-22.1)

= 99.45


4.5 * 22.1 
= 99.45


-45 * 2.21

= -99.45

-45(2.21)

= -99


Therefore, your answer is:

Option C.


Good luck on your assignment & enjoy your day!


~Amphitrite1040:)


6 0
2 years ago
The potential energy, P, in a spring is represented using the formula P = 1/2kx2. Lupe uses an equivalent equation, which is sol
sukhopar [10]

Answer:

k=\frac{2P}{x^2}


Step-by-step explanation:

The formula is P=\frac{1}{2}kx^2

<em>We need to solve for k, so we can perform the steps shown below:</em>

P=\frac{1}{2}kx^2\\P=\frac{kx^2}{2}\\2P=kx^2\\\frac{2P}{x^2}=k


Hence, the third answer choice is correct.

7 0
3 years ago
Read 2 more answers
How many times does the 8 fit into the 49
Vlada [557]

Answer:

6.125

Step-by-step explanation:

49 divided by 8

49÷8=6.125

4 0
3 years ago
Read 2 more answers
One number is four more than twice another. Their sum<br> is 34. Find the numbers.
lianna [129]

x = 15

2x + 4 = 34

     -4     -4

<u>2x</u>       = <u>30</u>

2             2

X         = 15

5 0
3 years ago
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