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1 year ago

There are 14 white cabbages and x purple cabbages in a box.

Mathematics

2 answers:

ohaa [14]1 year ago

8 0

Answer:

the angle of a quadrilateral taken in order a× 5× 4× and 2× find these angle draw a rough sketch of the quadrilateral what kind of quadrilateral is it

kondor19780726 [428]1 year ago

8 0

Answer:

x = 11

Step-by-step explanation:

Given:

14 = number of white cabbages
x = number of purple cabbages
P(W) = 0.56

⇒ total number of cabbages = 14 + x

$\mathsf{Probability \ of \ an \ event \ occurring = \dfrac{Number \ of \ ways \ it \ can \ occur}{Total \ number \ of \ outcomes}}$

$\sf \implies P(W)=\dfrac{number \ of \ white \ cabbages}{total \ number \ of \ cabbages}$

$\sf \implies 0.56=\dfrac{14}{14+x}$

$\sf \implies 0.56(14+x)=14$

$\sf \implies 7.84+0.56x=14$

$\sf \implies 0.56x=6.16$

$\sf \implies x=11$

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Ksju [112]

<h3>Total 73 times we can expect white or gray marbles.</h3>

Step-by-step explanation:

Total number of marbles = 33

Number of white marbles = 6

Number of gray marbles = 5

Now, as we need to pick white or gray marbles, so favorable outcomes

= 6+ 5 = 11 marbles

Now, P(Picking out 1 white or gray marble) = $\frac{\textrm{Total Favorable outcomes}}{\textrm{Total Outcomes}} = \frac{11}{33} = (\frac{1}{3})$

Here, the same experiment is repeated 220 times.

So, the Combined Prediction

= Probability at first attempt x Number of repetitions

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⇒The combined prediction after 220 attempts = 73

Hence, total 73 times we can expect white or gray marbles.

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