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iren [92.7K]
3 years ago
7

a bag contains 15 dark chocolates, 16 caramel chocolates, and 19 milk chocolates. the probability that amber’s teacher distribut

es the chocolates among her students is 0.4. if the teacher offers amber a chocolate from the bag, the probability that she randomly picks either a caramel chocolate or a dark chocolate is
Mathematics
2 answers:
Yuri [45]3 years ago
8 0
The total number of chocolates is 15 + 16 + 19 = 50

There are 15 + 16 = 31 [dark chocolates + caramel chocolates]

The probability of picking one of them is 31 / 50.


stira [4]3 years ago
6 0

31 out of 50 #platousers

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Help help help help math math
emmainna [20.7K]

Answer:

L = 5u

Step-by-step explanation:

area = 8 × L

L = area ÷ 8

40 ÷ 8 = 5

L = 5u

7 0
3 years ago
The Chinese Institute of Health Statistics reported that of every 7,883 deaths in recent years, 624 resulted from a traffic acci
elena-s [515]

Answer:

7.92% probability that a particular death is due to a traffic accident

Step-by-step explanation:

The relative frequency approach to find the probability that a particular death is due to a traffic accident is the number of deaths due to traffic accidents divided by the total number of deaths.

We have that:

624 deaths from traffic accidents

7883 total deaths.

So

p = \frac{624}{7883} = 0.0792

7.92% probability that a particular death is due to a traffic accident

8 0
3 years ago
A saleswoman earns 3% commission on all the merchandise that she sells. Last month she sold $9000 worth of merchandise. How much
SashulF [63]

3/100 = 0.03

9000 * 0.03 = 270

She got $270 in commission last month.

8 0
3 years ago
Read 2 more answers
Ha: μ ≠ 30 we know that the sample standard deviation is 10 and the sample size is 70. for what sample mean would the p-value be
Andrew [12]

From the given problem the same size is n = 70. Df = n – 1 = 70 – 1 = 69.

The population mean is u = 30, sample standard deviation is s = 10 and the sample size is n = 70. Then,

t = x – u / s sqrt of n

1.995 = x – 30 / (10 sqrt of 70)

1.995 = x – 30 / 1.1952

X – 30 = 1.995 (1.1952)

X – 30 = 2.3844

X = 30 + 2.3844

X = 32.3844

 

The sample mean is 32.3844

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3 0
3 years ago
Write an example of the distributive property.
aalyn [17]
3(3x9)

 3x3=9
3x9=27
9+27=36
6 0
3 years ago
Read 2 more answers
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