4 years ago

What’s is 2+2 I really need help

Mathematics

2 answers:

Tatiana [17]4 years ago

8 0

Answer:

Step-by-step explanation:

bogdanovich [222]4 years ago

4 0

4 hold two fingers and another 2 fingers and it’s your answer

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If x has a continuous uniform distribution on the interval (0,5), what is the 25th percentile for x?

Natasha_Volkova [10]

Given that $X\sim\mathrm{Unif}(0,5)$ , it has PDF

$f_X(x)=\begin{cases}\dfrac15&\text{for }0\le x\l5\\\\0&\text{otherwise}\end{cases}$

and thus CDF

$F_X(x)=\mathbb P(X\le x)=\begin{cases}0&\text{for }x$

The 25th percentile is the value $X=k$ such that $\mathbb P(X\le k)=0.25$ . We have

$\mathbb P(X\le k)=\dfrac k5=0.25\implies k=1.25$

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Step-by-step explanation:

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