# Probability

Let Sn be the number of successes in n independent Bernoulli trials, where the probability of success for each trial is 1/2 . Provide a numerical value, to a precision of 3 decimal places, for each of the following limits.

1. lim P (n/2 - 20 < Sn < n/2 + 20)

2. lim P (n/2 - n/3 < Sn < n/2 + n/3)

3. lim P (n/2 - sqrt(n)/4 < Sn < n/2 + sqrt(n)/4)

1. 👍 0
2. 👎 0
3. 👁 531
1. 1. -> 0.000
2. -> 1.000
3. -> 0.383

1. 👍 0
2. 👎 0

1. 👍 0
2. 👎 1
3. .5
1
.6286

1. 👍 0
2. 👎 0

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