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erastovalidia [21]
3 years ago
10

A cereal company puts a small plastic bear in some of its cereal boxes. Customers who collect 10 of these bears win a grand priz

e.
Suppose that each box contains a bear with chance 1/5, independently of all other boxes. Suppose also that Rohan buys one box of this cereal each week.

Let T1T1 be the number of weeks it takes for Rohan to get his first bear.

Let T10T10 be the number of weeks it takes for Rohan to get his tenth bear.

Find the following probabilities. In each part, first write a math expression for the chance, and then use the code cell at the end of the exercise to find the numerical value. Provide the numerical value along with your math expression.

Note: Do not use stats.geom.pmf or stats.geom.cdf. You should be able to calculate the numerical value without these functions.

a) P(T1>12)P(T1>12)

b) P(T10=40)P(T10=40)

c) P(T10>40)P(T10>40)

d) P(T10>40∣T1=8)
Mathematics
1 answer:
Fofino [41]3 years ago
5 0

Answer:

D. I think

Step-by-step explanation:

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Which model represent the factors of 4x2-9
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Step-by-step explanation:

4x²-9

4x²+6x-6x-9

4x²+6x-6x-9

2x(2x+3)-3(2x+3)

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(2-3)(2x+3)

solution

(8x-3)(2x+3)

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Given the following exponential function, identify whether the change represents
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The percentage rate of increase is 36.2% and the exponential function represent the growth.

<h3>What is an exponential function?</h3>

It is defined as the function that rapidly increases and the value of the exponential function is always a positive. It denotes with exponent \rm y = a^x

where 'a' is a constant and a>1

We have exponential function:

\rm y = 8900(1.362)^x

If we compare with

\rm y =a(1+r)^x

If 1+r > 1

1.362 > 1

So the growth rate r is

1 + r = 1.362

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Thus, the percentage rate of increase is 36.2% and the exponential function represent the growth.

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brainly.com/question/11487261

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