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A random sample of size 36 is taken from a normal population with a known variance If the mean of the sample is 42.6. Find the left confidence limit for the population mean.

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Q: A coin is flipped 3 times. What is the probability of getting 3 tails in a row?
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What is the probability of getting three tails if you flip a coin three times?

Since the probability of getting tails is 50% or 0.5, the probability of three tails would be 0.5*0.5*0.5=0.125 or 12.5 %


You flip a coin nine times and obtain ttttttttt if you flip the coin one more time what is the probability of getting h?

The probability of a flipped coin landing heads or tails will always be 50% either way, no matter how many times you flip it.


Tossing a coin 9 times and getting tails what is the probability of getting tails on the next toss?

Since each event is independent, the probability remains at 0.5.


What is the probability of obtaining atleast one tail when a coin is flipped six times?

you are looking for the probability of getting one tail, two,......., and six this equivalent to saying 1 - the probability of not getting any tails (or getting 6 heads = (1/2)^6). P(X>=1) = 1 - (1/2)^6=


What is the experimental probability of getting tails on a coin toss after tossing it 100 times and getting tails 60 times?

It is 60/100 = 0.6


What is the probability of getting tails twice in a row?

The probability of tossing a coin twice and getting tails both times is 1 in 4, or 25%. If you have already tossed a coin and had it land on tails, the probability that it will land on tails again the next time you toss it is 50%.


If a coin is tossed 5 times what is the probability of getting tails no more then 2 times?

The probability is 0.5The probability is 0.5The probability is 0.5The probability is 0.5


What is the probability of getting zero tails?

The probability of getting zero tails is 1/2. The probability of getting zero tails twice in a row is 1/2 x 1/2 = 1/4. The probability of getting zero tails three times in a row is 1/2 x 1/2 x 1/2 = 1/8, etc... .


What is the probability of flipping a coin ten times and getting tails six times?

ye


In a probability experiment Eric flipped a coin 36 times. The coin landed on heads 24 times. What is the ratio of heads to tails in this experiment?

2 to 1


What is the probability of getting 3 HH if 2 coins are flipped 10 times?

It is 0.2503, approx.


What is the probability of obtaining at least one head when a coin is flipped four times?

The probability of obtaining 4 tails when a coin is flipped 4 times is: P(4T) = (1/2)4 = 1/16 = 0.0625 Then, the probability of obtaining at least 1 head when a coin is flipped 4 times is: P(at least 1 head) = 1 - 1/16 = 15/16 = 0.9375