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stellarik [79]
3 years ago
12

The probability that it will rain tomorrow is. The probability that our team will win tomorrow's

Mathematics
1 answer:
iogann1982 [59]3 years ago
4 0

Answer:

1/2 * 3/5 = 3/15 = 1/5

Step-by-step explanation:

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A sales analyst listed the probabilities of profits and losses in dollars for a certain company. Find the mean for the probabili
kakasveta [241]

Answer: The mean for the probability distribution will be 69.25.

Explanation:

Since we given that

At\ x_1= -500 ,P(x) = 0.076\\

At\ x_2= -250,P(x)= 0.191\\

At\ x_3=0, P(x)= 0.265\\

At\ x_4=250 , P(x)= 0.316\\

At\ x_5=500 , P(x)= 0.152\\

As we know the formula for expectation of x i.e. known as mean for the probability distribution,

E(x)=x\sum_{1}^{5} P(x)

So, we  apply this formula in our case,

-500\times 0.076+(-250)\times 0.191+0\times 0.265+250\times 0.316+500\times 0.512=69.25

\mu = 69.25

Hence, the mean for the probability distribution will be 69.25.



4 0
3 years ago
Read 2 more answers
Suppose the roots of the equation 2x^2−5x−6=0 are α and β.Find the quadratic equation with roots 1/α and 1/β.​
pochemuha

Answer:

6x² + 5x - 2 = 0

Step-by-step explanation:

Given

2x² - 5x - 6 = 0 ← in standard form

with a = 2, b = - 5, c = - 6, then

sum of roots α + β = - \frac{b}{a} = \frac{5}{2}

product of roots = \frac{c}{a} = - 3, then

sum of new roots = \frac{1}{\alpha } + \frac{1}{\beta }

= \frac{\beta+\alpha  }{\alpha \beta }

= \frac{\frac{5}{2} }{-3} = - \frac{5}{6}

product of new roots = \frac{1}{\alpha } × \frac{1}{\beta }

= \frac{1}{\alpha\beta  } = - \frac{1}{3}

Hence the required equation is

x² + \frac{5}{6} x - \frac{1}{3} = 0 or

6x² + 5x - 2 = 0 ( multiplying through by 6 )

                           

8 0
3 years ago
Hellllllllllllllllllllllllllllllllllllllllpppppppppppppppppppp
Cerrena [4.2K]

Answer:

A) 52

Step-by-step explanation:

Each answer, when you divide, all equal to 52

6 0
3 years ago
Read 2 more answers
Why is substitution a higher level of thinking?
zhuklara [117]
Advocates replacing foreign imports with domestic production.<span> It is based on the premise that a country should attempt to reduce its foreign dependency through the local production of industrialized products. The term primarily refers to 20th-century </span>development economics<span> policies, although it has been advocated since the 18th century by </span>economists<span> such as </span>Fredrick List<span> and </span>Alexander Hamilton.

5 0
3 years ago
13. Tom has $14 more than you do.
puteri [66]

Answer:

46

Step-by-step explanation:

14-60 equals 46 and just go to your answer and put that in and there u go buddy

8 0
3 years ago
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