What Is The Probability That Two Randomly Selected Tulip Bulb Stat Crunch?

What is the probability that two randomly selected Tulip bulbs are both red?

Two tulip bulbs are randomly selected. Thus, the probability that the two randomly selected tulip bulbs are both ​ red is 0.1567.

Would you consider it unusual to find a college student who never wears a seat belt?

(b) Would you consider it unusual to find a college student who never wears a seat belt when riding in a car driven by *0. someone else? No, because there were 121 people in the survey who said they never wear their seat belt.

What is the probability that a randomly selected tulip bulb is purple?

Let Y be the event of selecting Purple tulip bulbs. From P(X) = 0.4 and P(Y) = 0.25, it implies that when a bulb is drawn randomly from the bag there is 40% chances of getting a red bulb and 25% chance of getting a purple bulb.

What is the probability of an unusual event?

An unusual Event: an event is considered to be unusual if the probability of occurring is less than or equal to 0.05 (or 5%) 2. Event: any collection of results or outcomes of a procedure.

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What is the probability of obtaining eight heads in a row when flipping a coin quizlet?

(5.2/5.3) What is the probability of obtaining eight heads in a row when flipping a​ coin? Interpret this probability. (5.2/5.3) About 11% of the population of a large country is math phobic.

How do you know if a sample is unusual?

The formal definition of unusual is a data value more than 2 standard deviations away from the mean in either the positive or negative direction. Since 7 is less than your lowest end, 8.2, then it is definitely unusual.

What is an impossible event in probability?

An impossible event is an event that cannot happen. E is an impossible event if and only if P(E) = 0. Example. In flipping a coin once, an impossible event would be getting BOTH a head AND a tail.

What is an unusually high probability?

Probabilities. Using Probabilities to Determine When. Results Are Unusual. ❖ Unusually high: x successes among n. trials is an unusually high number of successes if P(x or more) ≤ 0.05.

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