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Elenna [48]
2 years ago
8

If the pointer in the figure is spun twice, find the probability that the pointer lands on red (R) both spins.

Mathematics
1 answer:
r-ruslan [8.4K]2 years ago
4 0

The probability of the pointer lands on red(R) both spin = \frac{1}{36}

Step-by-step explanation:

Given,

The number of parts = 6

The pointer is spun twice.

To find the probability of the pointer lands on red(R) both spin.

Formula

Probability of an event = number of required outcomes ÷ the total number of outcomes.

P(A and B) = P(A)×P(B)

Now,

For one spin,

A = RED comes.

For second spin,

B = RED comes

So,

P(A) = \frac{1}{6} and P(B) =  \frac{1}{6}

Then,

P(A and B) =  \frac{1}{6} × \frac{1}{6}  = \frac{1}{36}

Hence, the probability of the pointer lands on red(R) both spin = \frac{1}{36}

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2 years ago
cylinder with height 9 inches and radius is filled with water, it can fill a certain pitcher. How many of these pitchers can a c
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Answer:

4

Step-by-step explanation:

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radius:

r = r

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Therefore, the volume of the 1st cylinder is

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We are told that the water inside this cylinder can fill a certain pitcher, so this is also the volume of the pitcher.

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Colin invests £2350 into a savings account. The bank gives 4.2% compound interest for the first 4 years and 4.9% thereafter. How
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Answer:

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Step-by-step explanation:

Given: Colin invests £2350 into a savings account. The bank gives 4.2% compound interest for the first 4 years and 4.9% thereafter

To find: Amount that Colin will have after 10 years

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For the first 4 years:

P=\£\,2350\,,\,r=4.2\%\,,\,n=4

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P=\£\,2770.38\,,\,r=4.9\%\,,\,n=6

Total amount after 6 years = P\left ( 1+\frac{r}{100} \right )^n=2770.38\left ( 1+\frac{4.9}{100} \right )^6=3691.41\approx \£\,3691

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