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DochEvi [55]
3 years ago
12

An advertising firm plans to have a sample of individuals view a commercial on a ‘‘sunscreen pill” that one can swallow to provi

de mild SPF protection throughout the day. After viewing the commercial, each individual will be asked if he/she would consider buying the product. How many individuals should the firm sample to estimate the proportion who would consider buying the product to within a margin of error +-3% with 90% confidence?
Mathematics
1 answer:
AleksandrR [38]3 years ago
3 0
Tkejebb rn e. E. R r. R r hejejebenjebebenenbr
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Find the distance represented by 4.9 inches if 1 inch = 50 miles.
pishuonlain [190]

Answer:

245 miles

Step-by-step explanation:

To complete this, you want to use the unit conversion technique in fraction form. The units for the numerator of the first fraction (thing you want to convert) should match the units of the denominator in the multiplying fraction.

8 0
2 years ago
Read 2 more answers
We have three coins: one with heads on both faces, the second with tails on both faces, and the third a regular one. We choose o
Finger [1]

Answer:

Probability: \frac{1}{2} = 0.5 = 50%

Step-by-step explanation:

Based on the question one coin is chosen at random and tossed. That coin then lands and is heads. Since the coin landed on heads we can <u>eliminate the possibility</u> of the coin that was chosen being the coin with double tails.

The following possibilities are that the coin has double heads or is a regular coin with both tails and heads. Seeing as the coin landed on heads, there are only two possible out comes for the other side of the coin

The other side is either Heads or Tails. That gives us a 50% chance of the other side being tails.

\frac{1}{2} = 0.5 = 50%

I hope this answered your question. If you have any more questions feel free to ask away at Brainly.

4 0
3 years ago
The axis of the sphere below is 14 units in length. What is the surface area of the sphere ?
Ne4ueva [31]
We know that
the axis is equal to the diameter of a sphere
so
D=14 units
r=D/2-----> r=7 units
<span>the surface area of the sphere=4*pi*r</span>²------> 4*pi*7²=196*pi units²

the answer is the option
<span>C. 196 pi units^2</span>
8 0
2 years ago
Read 2 more answers
Rob has 7 ones. nick has 5 ones. they put all their ones together. what number did they
levacccp [35]
It would be 12 ones it would be this because you have to add 7+ 5
5 0
3 years ago
What is the gravity of a location if the mass of an object is 300 kg and it has a weight of 450N ?
kozerog [31]

The gravity is 1.5m\s^2

Further explanation:

The weight of any object is given by the product of mass and gravity of the object

Let

m denote the mass of object

g be the gravity

and

w be the weight

Then the statement can be mathematically written as:

w=m*g

Given

m=300kg

w=450N

Putting the values of m and w into the formula

450=g*300\\g= \frac{450}{300}\\g=1.5\ ms^{-2}

The gravity is 1.5m\s^2

Keywords: Mass, Gravity

Learn more about gravity at:

  • brainly.com/question/10772025
  • brainly.com/question/10879401

#LearnwithBrainly

7 0
3 years ago
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