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slava [35]
3 years ago
15

A poll of 400 people from Dobbs Ferry showed 250 preferred chocolate raspberry coffee while 170 out of 350 in Irvington preferre

d the same flavor. To test the hypothesis that there is no difference in preferences in the two villages, what is the alternate hypothesis
Mathematics
1 answer:
Reptile [31]3 years ago
7 0

Answer: The alternate hypothesis would disprove the null hypothesis and state that there are a significant difference in preferences/proportions between the two villages.

For instance, let's say:

  • p₁ = proportion of preference from Dobbs Ferry
  • p₂ = proportion of preference from Irvington

The null hypothesis would be that p₁ = p₂, while the alternative hypothesis would be that p₁ ≠ p₂.

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Find an equivalent function to f(x) = 5(3)^3x. (5 points)
Elena-2011 [213]

Answer:

B. f(x) = 5(27)^x

Step-by-step explanation:

Well lets graph it first,

Look at the image below ↓

By looking at the image we can tell that answer choice B. f(x) = 5(27)^x.

<em>Thus,</em>

<em>answer choice B is correct.</em>

<em />

<em>Hope this helps :)</em>

3 0
3 years ago
Read 2 more answers
Help me please worth 10 points
hodyreva [135]
9 x 1/8 = 1 and 1/8
27 / 23 = 27/23, that is its simplest form.
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3 years ago
Brandon was changing the oil in his motorcycle. He had a jug that contrained 2.5 liters of motor oil. He poured 755 millititers
pentagon [3]

Answer:

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Step-by-step explanation:

There are 1000 milliliters in 1 liter.

Jug contained 2.5 liters, that in ml, is:

2.5 * 1000 = 2500 milliliters

He poured 755 and 255 into 2 motors, that is pouring a total of:

755 + 255 = 1010 milliliters

He has remaining,

2500 - 1010 = 1490 milliliters

Or, in liters, that is:

1490/1000 = 1.49 Liters

7 0
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cookies are sold singly or in packages of 3 or 9. With this packaging, how many ways can you buy 18 cookies?
ryzh [129]
One is 3 cookies and that would be 6 packs. another is 9 cookies and 2 packs. so 2?
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If the sin 90 = 1 then which statement is true
SVEN [57.7K]

Answer:

sin90°=1 is true

it means this statement is true

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