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trapecia [35]
3 years ago
13

Which one matches the picture description

Mathematics
1 answer:
mr_godi [17]3 years ago
4 0

Answer:

356.82

Step-by-step explanation:

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8 0
3 years ago
Read 2 more answers
For i≥1 , let Xi∼G1/2 be distributed Geometrically with parameter 1/2 . Define Yn=1n−−√∑i=1n(Xi−2) Approximate P(−1≤Yn≤2) with l
murzikaleks [220]

Answer:

The answer is "0.68".

Step-by-step explanation:

Given value:

X_i \sim \frac{G_1}{2}

E(X_i)=2 \\

Var (X_i)= \frac{1- \frac{1}{2}}{(\frac{1}{2})^2}\\

             = \frac{ \frac{2-1}{2}}{\frac{1}{4}}\\\\= \frac{ \frac{1}{2}}{\frac{1}{4}}\\\\= \frac{1}{2} \times \frac{4}{1}\\\\= \frac{4}{2}\\\\=2

Now we calculate the \bar X \sim N(2, \sqrt{\frac{2}{n}})\\

\to \frac{\bar X - 2}{\sqrt{\frac{2}{n}}}  \sim  N(0, 1)\\

\to \sum^n_{i=1}  \frac{X_i - 2}{n}  \times\sqrt{\frac{n}{2}}}  \sim  N(0, 1)\\\\\to  \sum^n_{i=1}  \frac{X_i - 2}{\sqrt{2n}}  \sim  N(0, 1)\\

\to Z_n = \frac{1}{\sqrt{n}} \sum^n_{i=1} (X_i -2) \sim N(0, 2)\\

\to P(-1 \leq X_n \leq 2)  = P(Z_n \leq Z) -P(Z_n \leq -1) \\\\

                               = 0.92 -0.24\\\\= 0.68

6 0
3 years ago
Which transformation will always create congruent figures
Inga [223]
Rotations, reflections, and translations are isometric. That means that these transformations<span> do not change the size of the </span>figure<span>. If the size and shape of the </span>figure<span>is not changed, then the </span>figures<span> are </span>congruent<span>.</span>
5 0
3 years ago
VALUE
marusya05 [52]

Answer:

rational

Step-by-step explanation:

5 0
4 years ago
A 13-foot ladder is placed against a vertical wall of a building, with the bottom of the ladder standing on level ground 5 feet
sleet_krkn [62]

Answer:

12

Step-by-step explanation:

3 0
3 years ago
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