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A probability experiment consists of rolling a eighteight​-sided die and spinning the spinner shown at the...

A probability experiment consists of rolling a eighteight​-sided die and spinning the spinner shown at the right. The spinner is equally likely to land on each color. Use a tree diagram to find the probability of the given event. Then tell whether the event can be considered unusual.​

Event: rolling a 7 and the spinner landing on red

A spinner consists of a circle divided into four equal sectors. Each sector has a different color.

The probability of the event is _ ​(Type an integer or decimal rounded to three decimal places as​ needed.)

Can the event be considered​ unusual?

A. No, because the probability is greater than 0.05.

B. ​Yes, because the probability is greater than 0.10.

C. ​No, because the probability is 0.10 or less.

D. Yes​, because the probability is 0.05 or less.

Math   Statistics-And-Probability   
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