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3 years ago

Find the Sample size for 99% confidence level with a margin of error of 4% and p unknown.

Mathematics

1 answer:

dolphi86 [110]3 years ago

4 0

Answer:

za/2: Divide the confidence level by two, and look that area up in the z-table: .95 / 2 = 0.475. ...

E (margin of error): Divide the given width by 2. 6% / 2. ...

: use the given percentage. 41% = 0.41. ...

: subtract. from 1.

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PLEASEEE HELP MEE EXPLAIN YOUR ANSWER

Tom [10]

Answer:

Width=5

Mark brainliest plzzz

Step-by-step explanation:

8x5x3=120

8x5=40

40x3=120

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2 years ago

A health food store has launched a new pack of vitamins for children. The store records the number of packs ordered by a random

Andrew [12]

Answer:

online customers: slot 5

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Step-by-step explanation:

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2 years ago

What is the surface area of a cube in which each face of the cube has an area of 7 cm^2?

prisoha [69]

Answer:

In a cube, the length and width are the same, so both sides will be 7 cm, yielding an area of 49 square centimeters. The surface area of a 7 cm cube will be 294 cm2 . Hope this helps!

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3 years ago

K/4 - 5k + 1 = 1<br> please

irinina [24]

Answer:

-19k ≠ 0

No solutions

Step-by-step explanation:

k/4 - 5k + 1 = 1

4 (k/4 - 5k + 1 = 1)

k-20k + 4 = 4

-19k ≠ 0

4 0

2 years ago

Which is the rate of change for the interval between 2 and 6 on the x-axis?

nadezda [96]

Answer:

Step-by-step explanation:

I think you misses attaching the photo, so please have a look at my photo for your better understanding.

We know the formula for rate of change of the parabola line:

$\frac{f(b)- f(a)}{b-a}$

Given here:

a= 2 => f(a) = 2

b=6 => f(b) = 2

Substitute all the values into the function, we have:

$\frac{14-2}{6-2} = 3$

So the rate of change is 3

7 0

3 years ago

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