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Vsevolod [243]
3 years ago
6

The number of camera phones shipped globally can be modeled by the function y = 1.28e 1.31x where x is the number of years since

1997 and y is the number of camera phones shipped (in millions). How many camera phones were shipped in 2002?
Mathematics
1 answer:
OlgaM077 [116]3 years ago
3 0

Answer: 895 phones

Step-by-step explanation:

Given that :

The function : y = 1.28e^1.31x ; is used to model the number of camera phones shipped since 1997

y = number of camera phones ; x = number of years since 1997

The number of camera phones shipped in the year 2002 can be obtained thus ;

x = 2002 - 1997 = 5 years

y = 1.28e^(1.31 * 5)

y = 1.28e^6.55

y = 1.28(699.24417)

y = 895.03254

y = 895 phones

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Part A

Use the binomial probability distribution formula.

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The \frac{n!}{x!(n-x)!} portion is from the nCr combination formula. The exclamation marks indicate a factorial.

Alternatively, you could use Pascal's Triangle for that portion.

<h3>Answer: 0.283831776</h3>

This decimal value is exact. Round it however you need to.

============================================================

Part B

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