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brilliants [131]
3 years ago
6

Question help a state lottery randomly chooses 88 balls numbered from 11 through 4040 without replacement. you choose 88 numbers

and purchase a lottery ticket. the random variable represents the number of matches on your ticket to the numbers drawn in the lottery. determine whether this experiment is binomial. if​ so, identify a​ success, specify the values​ n, p, and q and list the possible values of the random variable x.
Mathematics
2 answers:
cricket20 [7]3 years ago
3 0
This would not be binomial; the probabilities are not independent, since the balls are drawn without replacement.
Alexus [3.1K]3 years ago
3 0

binomial experiment is a statistical experiment that consists of n repeated trials.  The trials are independent.

In the given question, the trials are not independent of each other as the balls are not replaced.

so, given experiment is not binomial experiment


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12. In the given figure, RS is parallel to PQ, If RS = 3 cm, PQ = 6 cm and ar(∆TRS) = 15cm³, then ar (∆TPQ) = ? (a) 70 cm² (b) 5
Gnesinka [82]

\large\underline{\sf{Solution-}}

Given that,

In <u>triangle TPQ, </u>

  • RS || PQ,

  • RS = 3 cm,

  • PQ = 6 cm,

  • ar(∆ TRS) = 15 sq. cm

As it is given that, <u>RS || PQ</u>

So, it means

⇛∠TRS = ∠TPQ [ Corresponding angles ]

⇛ ∠TSR = ∠TPQ [ Corresponding angles ]

\rm\implies \: \triangle TPQ \:  \sim \: \triangle TRS \:  \:  \:  \:  \:  \:  \{AA \}

<u>Now, We know </u>

Area Ratio Theorem,

This theorem states that :- The ratio of the area of two similar triangles is equal to the ratio of the squares of corresponding sides.

\rm\implies \:\dfrac{ar( \triangle \: TPQ)}{ar( \triangle \: TRS)}  = \dfrac{ {PQ}^{2} }{ {RS}^{2} }

\rm\implies \:\dfrac{ar( \triangle \: TPQ)}{15}  = \dfrac{ {6}^{2} }{ {3}^{2} }

\rm\implies \:\dfrac{ar( \triangle \: TPQ)}{15}  = \dfrac{36 }{9}

\rm\implies \:\dfrac{ar( \triangle \: TPQ)}{15}  = 4

\rm\implies \:ar( \triangle \: TPQ)  = 60 \:  {cm}^{2}

3 0
2 years ago
HELP ME PLEASE SOMEONE!!
KiRa [710]
You have the correct answer being (-5,3). Simply add the parentheses around the point
8 0
2 years ago
10ft*10ft of a circle What is the area, in ft2
alexgriva [62]

Answer:

20

Step-by-step explanation:

6 0
3 years ago
Complete the table Y=6x-4
viktelen [127]

Answer:

With Two points is enough to describe this graph

\left[\begin{array}{ccc}\frac{4}{6} &0\\0&-4\\\end{array}\right]

Step-by-step explanation:

Interception with Y axis (y=0), thus we have the following equation:

0=6*x+4

x=4/6

The point for this is (4/6 , 0)

Interception with x axis (x=0), thus we have the following equation:

Y=4*0-4

y=-4

The point for this is (0, -4)

4 0
3 years ago
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Answer:

Step-by-step explanation:

Hey B is the correct answer as the x is negative and y is positive

Hope this helps!!!

3 0
3 years ago
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