CAN ANYONE HELP ME WITH THIS

Mathematics

1 answer:

Alchen [17]4 years ago

5 0

The line in the middle has a right angle, so the angle just above the Y would be 90 degrees.

The angle to the right of y is given as 48.

The three inside angles of a triangle need to equal 180.

So y = 180 - 90 - 48 = 42 degrees.

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The probability density function of the time to failure of an electronic component in a copier (in hours) is f(x)= e^-x/100 /100

Georgia [21]

Answer:

Check the explanation

Step-by-step explanation:

The fundamentals

A continuous random variable can take infinite values in the range associated function of that variable. Consider $f\left( x \right)f(x)$ is a function of a continuous random variable within the range $\left[ {a,b} \right][a,b]$ , then the total probability in the range of the function is defined as:

$\int\limits_a^b {f\left( x \right)dx} = 1 a∫b f(x)dx=1$

The probability of the function $f\left( x \right)f(x)$ is always greater than 0. The cumulative distribution function is defined as:

$F\left( x \right) = P\left( {X \le x} \right)F(x)=P(X≤x)$

The cumulative distribution function for the random variable X has the property,

$0 \le F\left( x \right) \le 10≤F(x)≤1$

The probability density function for the random variable X has the properties,

$\\\begin{array}{c}\\{\rm{ }}f\left( x \right) \ge 0\\\\\int\limits_{ - \infty }^\infty {f\left( x \right)dx} = 1\\\\P\left( E \right) = \int\limits_E {f\left( x \right)dx} \\\end{array} f(x)≥0$