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Gelneren [198K]
3 years ago
8

9.

Mathematics
1 answer:
Lady_Fox [76]3 years ago
3 0
<h2><u>El conjunto de parejas ordenadas que no es una función es: </u></h2><h2> </h2><h2><u>Alternativa C: {(-2,1),(-1,0),(0,1),(-1,2),(2,2)} </u></h2>

<h3>Una función se define como un conjunto de parejas ordenadas (x, y) donde no se repite el valor de "x" (corresponde al dominio de la función) </h3><h3> </h3><h3>En el caso específico del ejercicio, la alternativa C no corresponde con una función ya que tienen dos parejas con el mismo valor de "x":  {(-2,1), (-1,0), (0,1), (-1,2), (2,2)} </h3><h3> </h3><h3>Estos pares están en negrita, y el valor repetido subrayado. </h3>

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A softball pitcher has a 0.675 probability of throwing a strike for each pitch and a 0.325 probability of throwing a ball. If th
Dafna11 [192]

Answer:

The probability that exactly 19 of them are strikes is 0.1504

Step-by-step explanation:

The binomial probability parameters given are;

The probability that the pitcher throwing a strike, p = 0.675

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The binomial probability is given as follows;

p(x) = _{n}C_{x}\cdot p^{x}\cdot q^{1-x}

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Therefore, the probability that the pitcher throws 19 strikes out of 29 pitches is found as follows;

The probability that exactly 19 of them are strikes is given as follows;

\binom{29}{19}(0.675)^{19}0.325^{10} = \frac{29!}{19!\times 10!}\times (0.675)^{19}\times 0.325^{10} = 0.1504

Hence the probability that exactly 19 of them are strikes = 0.1504

8 0
3 years ago
Solve the simultaneous equation x^2-4y^2=9 and x+2y=1​
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Step-by-step explanation:

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