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juin [17]
2 years ago
7

A window manufacturer claims that the seals break on only 4% of its windows. What is the probability that, in a sample of 10 win

dows, no seals will break?
Mathematics
1 answer:
Lyrx [107]2 years ago
3 0

Answer:

0.96

Step-by-step explanation:

Total samples of window = 10smaples

Total seal break = 4% of 10

Total seal break = 0.04 * 10

Total seal break = 0.4

THis means that no seal will be break on 96% of the window i.e 9.6 windows

The probability that, in a sample of 10 windows, no seals will break is expressed

as;

Pr(no seal will break) = 9.6/10

Pr(no seal will break)  = 0.96

Hence the probability that no seals will break is 0.96

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A muffin recipe calls for 3 times as much flour as sugar. Write a expression that can be used to find the amount of flour needed
raketka [301]

Answer:

3S - F

Step-by-step explanation:

Let Flour be represented with F

Sugar be represented with S

3S = F

3S - F = 0

7 0
2 years ago
Two percent of the customers of a store buy cigars. Half of the customers who buy cigars buy beer. 25 percent who buy beer buy c
enyata [817]

Answer:

0.95

Step-by-step explanation:

The computation of the probability that a customer neither buys beer nor buys cigars is given below;

Given that, the probabilities are

The customers who purchased cigars be 0.02

The customers who purchased cigars + beer 0.50

And, the customers who purchased beer + cigars be 0.25

Now the probabilities where the customer purchased both

= 0.05 × 0.02

= 0.10

The probability where the customer purchased beer is

= 0.01 ÷ 0.25

= 0.04

Now the probability where a customer neither buys beer nor buys cigars is

= 1 - 0.02 + 0.04 - 0.01

= 0.95

4 0
2 years ago
A circle has a circumference of \blue{18}18start color #6495ed, 18, end color #6495ed. It has an arc of length 666.
puteri [66]

Answer:

120 degrees

Step-by-step explanation:

8 0
2 years ago
A rectangular state flag has dimensions 7 feet by 5 1/2 feet. How long is its diagonal? Round your answer to the nearest tenth i
slamgirl [31]
The formula for a diagonal of a rectangle is <span>√w^2+h^2, with w and h being the width and height. Plug in your numbers to get </span><span>√7^2+5.5^2. Simplify that into </span><span>√49+30.25, then to </span><span>√79.25. Use your calculator to get 8.9022. The diagonal is 8.9 feet.</span>
5 0
2 years ago
What number should go in the space?<br> Multiplying by 1.15 is the same as increasing by _____%.
klasskru [66]

Answer:

115%

Because to get a percent from a decimal you multiply by 100 so you move the decimal twice to the right

3 0
1 year ago
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