A room has three lightbulbs. Each one has a 30% probability of burning out within the month. Write the probability as a percentage rounded to one decimal place. What is the probability...

A room has three lightbulbs. Each one has a 30% probability of burning out within the month. Write the probability as a percentage rounded to one decimal place. What is the probability...

the following exercise refers to choosing two cards from a thoroughly shuffled deck. Assume that the deck is shuffled after a card is returned to the deck. If you do not put the first...

A room has three lightbulbs. Each one has a 20% probability of burning out within the month. Write the probability as a percentage rounded to one decimal place. What is the probability...

Suppose I pick (without looking) a jelly bean from a box containing four red beans and seven blue beans. I record the color and put the bean back in the box. Then I choose a bean again. What...

A room has three lightbulbs. Each one has a 20% probability of burning out within the month. Write the probability as a percentage rounded to one decimal place. What is the probability...

options are a:63/64 b:255/256 c:127/128 d:1/2

under-fill rate 20% 15 randomly selected two-liter bottles

Under-fill rate 20% 15 randomly selected tow-liter bottles.

What type of experiment is presented here?

This is a question for my Statistics exam, I have no idea how to get such an answer. Any help with an explanation would be greatly appreciated.

He has 4 pennies and six nickels. 3 coins are selected at random without replacement. The following frequency distribution table uses the number of nickels drawn out of the three coins selected. For...

Please help me out with this question.

Can someone at least give me a few tips on how to work this out? I don't even know if i should treat this like a combination or permutation.

The second song from the random ones. What is the probability that both songs are reggae songs? Write your answer in fraction in the simplest form.

If I flip a coin once, the chance of heads is 1/2. If I flip it twice, the chance of heads twice is 1/4. (1/2 times 1/2) But what happens if I flip it twice, but only want heads once. I'd...

to qualify for a police academy, candidates must score in the top 10% on an entry exam. The exam has a μ= 200 and a σ=20 find the lowest possible score to qualify(Assume a normal distribution)

A class of 22 students take a statistics exam. Four students make an A, 3 students make a B, 6 students make a C, 2 students make a D. The rest of the students fail. If you select a student at random,...

When you are finished trick or treating, your younger sibling gives you a bag with thirteen Snickers and seven Milkyways for your efforts. You immediately take three random chocolates and eat them...

A jar contains five orange marbles numbered one through five. The jar also contains three green marbles numbered one through three. You randomly pick a marble. What is the probability that it’s orange...

A group of twenty one students taking a math class is compromised of nine male and twelve female students. Five or the male students hate the class. While seven of the female students hate the class...

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