Are the events below independent or dependent? You roll a die and get a 5. You roll the die a second time and get another 5.

Mathematics

1 answer:

trasher [3.6K]3 years ago

4 0

not sure there is no attachment

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. An Olympic runner completed a 100-meter race with a time of 12.5 seconds. What was her average speed?

svet-max [94.6K]

So you would do 100 divided by 12.5 and that equals 8. So the answer would be 8mph

5 0

3 years ago

Find the area of a regular hexagon with side length 10 m. Round to the nearest tenth.

Maksim231197 [3]

Answer:

$A=259.8\ m^2$

Step-by-step explanation:

we know that

The area of a regular hexagon is the same that the area of 6 equilateral triangles

The area of 6 equilateral triangles applying the law of sines is equal to

$A=6[\frac{1}{2}b^2sin(60^o)]$

where

b is the length side of the regular hexagon

we have

$b=10\ m$

substitute

$A=6[\frac{1}{2}(10)^2sin(60^o)]$

$A=259.8\ m^2$

4 0

3 years ago

You have a standard deck of cards the deck has 52 total cards and contains 4 suits: hearts, clubs, diamonds, and spades. Each su

Pie

Answer:

A. The experimental probability of choosing a heart is 1/26 greater than the theoretical probability of choosing a heart.

Step-by-step explanation:

I got this question right on Edge.

:)))

3 0

3 years ago

Based on historical data, your manager believes that 40% of the company's orders come from first-time customers. A random sample

Vedmedyk [2.9K]

Answer:

$P(0.26 \leq p \leq 0.43)=0.7204-0.0032=0.7172$

Step-by-step explanation:

Normal distribution, is a "probability distribution that is symmetric about the mean, showing that data near the mean are more frequent in occurrence than data far from the mean".

The Z-score is "a numerical measurement used in statistics of a value's relationship to the mean (average) of a group of values, measured in terms of standard deviations from the mean".

The population proportion have the following distribution

$p \sim N(p=0.4,\sqrt{\frac{p(1-p)}{n}}=\sqrt{\frac{0.4(1-0.4)}{91}}=0.0514)$