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3 years ago

5

I have 2 bags of counters. The first bag contains 2 red counters and 1 blue counter. The second bag contains 1 red counter, 1 bl

ue counter and 2 yellow counters. I take a counter at random from both bags, what is the probability that two counters will be the same colour?

1 answer:

ASHA 777 [7]3 years ago

5 0

3/12, i used a tree diagram to work it out

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Range: (3,∞)

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3 years ago

Bennett has been practicing the cello for an hour each day. 3/4of the hour, he spends practicing musical pieces in preparation f

mina [271]

Answer:

$Orchestral\ Time = \frac{3}{10}\ hour$

Step-by-step explanation:

Given

$Time = 1\ hour$

$Musical\ Pieces = \frac{3}{4}\ hour$

$Practicing\ Sales = \frac{1}{4}\ hour$

Orchestral = $\frac{2}{5}$ of music practice time

Required

Determine time spent on orchestral pieces

From the given parameters, we have:

Orchestral = $\frac{2}{5}$ of music practice time

Substitute $\frac{3}{4}\ hour$ for music practice time.

So, we have:

$Orchestral\ Time = \frac{2}{5} * \frac{3}{4}\ hour$

$Orchestral\ Time = \frac{1}{5} * \frac{3}{2}\ hour$

$Orchestral\ Time = \frac{3}{10}\ hour$

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3 years ago