The error involved in making a certain measurement is a continuous random variable x with the following pdf.. f(x) = 0.09375(4 − x^2) when −2 ≤ x ≤ 2. 0 otherwise. . compute . p(x < −0.7 or x > 0.7).

d) 30 units^2

area of rectangle = l × b

we know,

length = 10 unit

breadth = 3 unit

applying the formula,

= l × b

= 10 × 3

= 30 unit^2

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irrational, then, just means all the numbers that aren't rational. every integer is a rational number, since each integer n can be written in the form n/1. however, numbers like 1/2, 45454737/2424242, and -3/7 are also rational, since they are fractions whose numerator and denominator are integers.

step-by-step explanation: