Question

If a binomial distribution applies with a sample size of nequals20, find the values below. a. The probability of 5 successes if the probability of a success is 0.25 b. The probability of at least 7 successes if the probability of a success is 0.15 c. The expected value, nequals20, pequals0.40 d. The standard deviation, nequals20, pequals0.40 Question content area bottom Part 1 a. nbspThe probability of 5 successes if the probability of a success is 0.25 is enter your response here. (Round to four decimal places as needed.)

Name: if a binomial distribution applies with a sample size of nequals20 find the values below a the probability of 5 successes if the probability of a success is 025 b the probability of at least 99349
Uploaded: 2024-02-04T22:29:40-08:00
Duration: 3 min 17 s
Channel: T. L.
Description: if a binomial distribution applies with a sample size of nequals20 find the values below a the probability of 5 successes if the probability of a success is 025 b the probability of at least 99349

          If a binomial distribution applies with a sample size of nequals20, find the values below.
a.
The probability of 5 successes if the probability of a success is 0.25 
b.
The probability of at least 7 successes if the probability of a success is 0.15
c.
The expected value, nequals20, pequals0.40
d.
The standard deviation, nequals20, pequals0.40
Question content area bottom
Part 1
a. nbspThe probability of 5 successes if the probability of a success is 0.25 is 
  
enter your response here. 
(Round to four decimal places as needed.)

Added by Brian D.

Elementary Statistics a Step by Step Approach

Allan G. Bluman 9th Edition

Instant Answer

Solved by Expert T. L.

02/04/2024

Step 1

25 for a sample size of 20. To find this, we use the binomial probability formula: \[ P(X = k) = \binom{n}{k} \cdot p^k \cdot (1-p)^{n-k} \] where \( n \) is the sample size, \( k \) is the number of successes, and \( p \) is the probability of success. In this Show more…

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If a binomial distribution applies with a sample size of nequals20, find the values below. a. The probability of 5 successes if the probability of a success is 0.25 b. The probability of at least 7 successes if the probability of a success is 0.15 c. The expected value, nequals20, pequals0.40 d. The standard deviation, nequals20, pequals0.40 Question content area bottom Part 1 a. nbspThe probability of 5 successes if the probability of a success is 0.25 is enter your response here. (Round to four decimal places as needed.)