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ycow [4]
3 years ago
14

A store specializing in mountain bikes is to open in one of two malls. If the first mall is selected, the store anticipates a ye

arly profit of $1,425,000 if successful, and a yearly loss of $475,000 otherwise. The probability of success is .5. If the second mall is selected, it is estimated that the yearly profit will be $950,000 if successful; otherwise, the annual loss will be $285,000. The probability of success at the second mall is .34
What is the expected profit for the second mall?
Mathematics
1 answer:
morpeh [17]3 years ago
7 0

Answer:

134900

Step-by-step explanation:

In this case, we are only asked to have the account for the second shopping center, now we know that the data to take into account is if it is successful it would be 950,000 gains but if not, the losses will be 285,000. With the success rate it is 0.34, that is, the failure rate would be 1 - 0.34 = 0.66.

Then the gain of would be the weighted average of these values, like this:

G = 0.34 * 950000 + 0.66 * (- 285000)

G = 134,900

Approximately 134900

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. If Henry plays both games conservatively (CC), find the probability that Henry will earn
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Answer:

a)  2/2 + 2/2 = 2

b)  2/2 + 1/2  = 3/2

c)  2/2 + 0/2  = 1

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Step-by-step explanation:

a) 2 points :  2/2 + 2/2 = 2    

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c) 1 point:  2/2 + 0/2 = 1

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In a MBS first year class, there are three sections each including 20 students. In the first section, there are 10 boys and 10 g
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Answer:

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Step-by-step explanation:

The selection is from a sample without replacement, so we use the hypergeometric distribution to solve this question.

Hypergeometric distribution:

The probability of x sucesses is given by the following formula:

P(X = x) = h(x,N,n,k) = \frac{C_{k,x}*C_{N-k,n-x}}{C_{N,n}}

In which:

x is the number of sucesses.

N is the size of the population.

n is the size of the sample.

k is the total number of desired outcomes.

Combinations formula:

C_{n,x} is the number of different combinations of x objects from a set of n elements, given by the following formula.

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We want all of them to be girls, so we find P(X = 5).

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