Two pizza delivery drivers compared the mean numbers of deliveries they completed in one day.

Mathematics

2 answers:

Vilka [71]2 years ago

8 0

Answer:

Step-by-step explanation:

OlgaM077 [116]2 years ago

6 0

Answer:

Step-by-step explanation:

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An experiment consists of drawing a marble out of a bag, observing the color, and then placing it back in the bag. Suppose the e

Elan Coil [88]

The experimental data suggest that

$\mathbb P(\text{red})\approx\dfrac{38}{75}$
$\mathbb P(\text{blue})\approx\dfrac{23}{75}$
$\mathbb P(\text{green})\approx\dfrac{11}{75}$
$\mathbb P(\text{yellow})\approx\dfrac3{75}$

Because the marble is replaced after being drawn, and so the number of marbles of a given color remains the same, the event of drawing any given color is independent of what was drawn before. So

$\mathbb P(\text{2 consecutive yellows})\approx\dfrac3{75}\cdot\dfrac3{75}=\dfrac1{625}$

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3 years ago

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The surface area of 3ft, 7ft, 2ft

Xelga [282]

Answer: 82 ft squared

Step-by-step explanation: The surface area is 2( wl + hl + hw)

so the width is 2 the length is 7 and the height is 3

so it's 2( 14 + 21 + 6) = 2(41) = 82

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3 years ago

Chad's Diner sold 100 milkshakes last week. 90 of the milkshakes had whipped cream on top.