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julia-pushkina [17]
3 years ago
7

The mayor of a town believes that over 47G% of the residents favor construction of an adjoining community. Is there sufficient e

vidence at the 0.050.05 level to support the mayor's claim
Mathematics
1 answer:
photoshop1234 [79]3 years ago
5 0

Answer:

There is sufficient evidence at the 0.05 level

Null hypothesis ; H0 : p = 0.47

Alternative hypothesis : H1 : p ≠ 0.47

Step-by-step explanation:

percentage favoring construction of adjoining community = 47%

level = 0.05

To determine if the 0.05 confidence level is enough to support the major's claim we have to state the Null and alternative hypothesis

Null hypothesis ; H0 : p = 0.47

Alternative hypothesis : H1 : p ≠ 0.47

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What is 6 + square root of 2<br> what is 6 - square root of 2
Bess [88]

Answer:

12

Step-by-step explanation:

7 0
3 years ago
Find the value for the side marked below.
lions [1.4K]

Answer:

y = 189.8

Step-by-step explanation:

Apply trigonometric function to find y.

Reference angle (θ) = 50°

Adjacent side = 122

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Apply CAH, since the Hypotenuse and the Adjacent are involved.

Thus:

Cos θ = Adj/Hypo

Plug in the values

Cos 50° = 122/y

y*Cos 50° = 122

y = 122/cos 50°

y = 189.8 (beater tenth)

6 0
3 years ago
I'm a sample bag of m&amp;m's there are 5 brown, 6 yellow, 4 blue, 3 green, and 2 orange. What is the probability of getting 3 y
Vsevolod [243]
There are a total of 5+6+4+3+2=20 M&Ms in the bag.  Since there are 6 yellow M&Ms in the bag, there's a 6/20 probability that the first M&M will be yellow.  Then, there are 5 more yellow M&Ms and 19 more total M&Ms in the bag, so there is a 5/19 chance the next M&M will be yellow.  Finally, there are 4 more yellow M&Ms in the bag and 18 total M&Ms, so there is a 4/18 chance the last M&M will be yellow.

Multiplying these together, we have:

(6*5*4)/(20*19*18)

This simplifies to:

1/57

Therefore, there is a 1/57 probability that all M&Ms will be yellow.
6 0
3 years ago
Read 2 more answers
Grace and her father spent four and a half hours over the weekend restoring their fishing boat. This time makes up 6%of the time
anyanavicka [17]
To answer this you can use proportions.
4 1/2 6%
------- = ----
X 100%

So, 6/4.5=1.3333...
Finally, 100/1.3333... appeoximately gives you 75.
75 hours are needed to restore the boat.
Hope this helped!
3 0
3 years ago
How do you do<br>8(4x+7)=56​
lilavasa [31]
Multiply 8 to 4x and 7 so it looks like 32x +56=56 then you subtract 56 from to 56 which equals zero. Your equation should look like 32x=0. Divide 32 by 0 which equals 0. X=0
4 0
4 years ago
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