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Solnce55 [7]
3 years ago
3

In a blind taste test, 25 people chose brand A, 15 people choose brand B, and 10 people chose brand C. There are 200 more people

to be surveyed. Based on the data, which is most likely to happen?
Mathematics
1 answer:
s344n2d4d5 [400]3 years ago
3 0

Answer:

The answer is "brand A"

Step-by-step explanation:

Given value:

A brand choose by people = 25

B brand choose by people = 15

C brand choose by people = 100

total of brand

                 \ A \ = \frac{25}{ 25+ 15+10}

               \ A =  \frac{25}{50}\\\\\ A = \frac{1}{2} \\

Total of brand

                B = \frac{15}{25+15+10}\\\\B =\frac{15}{50}\\\\B =  \frac{3}{10}

Total of brand

                C =  \frac{10}{25+15+10}\\\\C= \frac{10}{50}\\\\C= \frac{1}{5}

On the basis of the given data the brand A is most likely to happen.

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The prices of three t-shirts styles are $24, $30 and $36. the probability of choosing a $24 t-shirt is 1/6. the probability of c
Slav-nsk [51]

\text{Answer} : \text{The expected value of a t-shirt is \$31.}

Explanation:

Since we have given that

The prices of three t-shirts styles  i.e $24, $30, $36 with their probability is given by

\frac{1}{6}, \frac{1}{2},\frac{1}{3}

As we know that,

E(X)= \sum_{1}^{3}x_iP(x_i)

\text{where} x_i \text{ is the prices of t- shirts styles}

Now,

x_1= \$24 , x_2=\$30 , x_3=$36

and

P(x_1)=\frac{1}{6},P(x_2)=\frac{1}{2}, P(x_3)=\frac{1}{3}

So,

E(X)= 24\times \frac{1}{6}+30\times\frac{1}{2}+36\times \frac{1}{3}\\=4+15+12\\=31

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4 0
3 years ago
Fernando bought a jacket for 185 and sold it for 1 1/2 what he paid. Marisol spent 1/5 as much as Fernando on the same jacket bu
avanturin [10]

Answer:

Marisol made $138.75 on the sale of the jacket

Step-by-step explanation:

First we are told that Fernando bought a jacket for $185, and sold it for 1 1/12 what he paid.

Therefore, 1 1/2 of 185;

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Therefore, Fernando sold the Jacket for $277.5

Next, we are told that:

Marisol spent 1/5 as much as Fernando on the same jacket

This means that Marisol spent 1/5 of $185 on the jacket

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Therefore, Marisol spent $37 to buy the same jacket

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1/2 of 277.5 = 0.5 × 277.5 = 138.75

Therefore, Marisol made $138.75 on the sale of the jacket.

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