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Anastasy [175]
3 years ago
11

In a sample of 45 mice, a biologist found that 18 were able to run a maze in 30 seconds or less. Find the limits for the 95% con

fidence interval to estimate the population proportion of mice who can run a maze in 30 seconds or less
Mathematics
1 answer:
Hunter-Best [27]3 years ago
4 0

Answer:

fugltuha jxghd rkdrjvjxcrtz tcdytsfuigjr xdyeg

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9 more than the product of 3 and 12
Mrac [35]

Answer:

393

Step-by-step explanation:

(32)(12) + 9

This comes out to 384 + 9 = 393

3 0
3 years ago
Read 2 more answers
Find the equation of the quadratic function with vertex (-2,18) passing through (-5,0)?
Sliva [168]

Answer:

y-18=-2(x+2)^2

Step-by-step explanation:

Equation of the Quadratic Function

The vertex form of the quadratic function has the following equation:

y-k=a(x-h)^2

Where (h, k) is the vertex of the parabola that results when plotting the function, and a is a coefficient different from zero.

It's been given the vertex of the parabola as (-2,18):

y-18=a(x+2)^2

Now substitute the point (-5,0) and find the value of a:

0-18=a(-5+2)^2

Operating:

-18=a(-3)^2

-18=9a

Solving for a:

a = -18 / 9

a = -2

Thus, the equation of the quadratic function is:

\mathbf{y-18=-2(x+2)^2}

7 0
3 years ago
X According to a survey, 60 sixth grade students at Madison Middle School attended a summer camp. This is 30% of the entire sixt
Liula [17]

Answer: total is 200

Step-by-step explanation:

30% = 60

10% = 60/3 = 20

100% = 200

7 0
3 years ago
An electrician charges $45 for each home visit plus $19.95 every hour he spends working. Which sentence could be used to find C,
VARVARA [1.3K]

Answer:

C= 45 + 19.95h

Step-by-step explanation:

45 for each home vist means one time payment

19.95 ever hour means you are charged 19.95 every hour

H= hour

4 0
3 years ago
Jessica is baking a cake. The recipe says that she has to mix 96 grams of sugar to the flour. Jessica knows that 1 cup of this p
zepelin [54]

we are given the recipe of the cake made by Jessica. In this recipe, a cup weighs 128 grams in which the cake needs 96 grams. she uses half a cup which is equal to 64 grams. This means she needs to add 32 grams more which is 1/4 of a cup. In all, she needs 3/4 of a cup
6 0
3 years ago
Read 2 more answers
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