# statistics

In a binomial distribution:
A) the random variable X is continuous.
B)the probability of event of interest (pie symbol)is stable from trail to trial
C) the number of trials n must be at least 30
D) the results of one trial are dependent on the results of the others.
I narrowed it down to A or B

1. 👍 0
2. 👎 0
3. 👁 381

1. 👍 0
2. 👎 0
2. Compute the standard deviation mc006-1.jpg for ages of British nurses in 1851 if the mean mc006-2.jpg is 53.75. Assume that the table below shows the age distribution of nurses in Great Britain in 1851. Round your answer to nearest hundredth.

1. 👍 0
2. 👎 0

## Similar Questions

1. ### STATISTICS

Consider a binomial random variable where the number of trials is 12 and the probability of success on each trial is 0.25. Find the mean and standard deviation of this random variable. I have a mean of 4 and a standard deviation

asked by John on June 10, 2010
2. ### Math (Statistics)

Determine whether a probability distribution is given. If a probability distribution is given, find its mean and standard deviation. If a probability distribution is not given, identify the requirements that are not satisfied. 8.

asked by Lexi on May 15, 2016
3. ### Math

Suppose a baseball player had 211 hits in a season. In the given probability distribution, the random variable X represents the number of hits the player obtained in the game. x P(x) 0 0.1879 1 0.4106 2 0.2157 3 0.1174 4 0.0624 5

asked by Amanda on November 26, 2013
4. ### Probability and Statistics

The proportion of adults living in a small town who are college graduates is estimated to be p = 0.6. To test this hypothesis, a random sample of 15 adults is selected. If the number of college graduates in the sample is anywhere

asked by Katy on November 30, 2013
5. ### statistics

7. The following statements are true for a binomial distribution except: (a) Binomial is a continuous probability distribution. (b) There are n number of trials. (c) There are two possible outcomes for each trial: Success (S) and

asked by meri on July 6, 2015
1. ### math

Five males with a particular genetic disorder have one child each. The random variable x is the number of children among the five who inherit the genetic disorder. Determine whether the table describes a probability distribution.

asked by Mary on July 23, 2019
2. ### Economic

The distance a car travels on a tank of gasoline is a random variable. a. What are the possible values of this random variable? b. Are the Values countable? Explain. c. Is there a finite number of values? Explain. d. Is there

asked by Rosalina Pereira de Carvalho on April 12, 2019
3. ### math 115

Let x be a continuous random variable that follows a normal distribution with a mean of 200 and a standard deviation 25. Find the value of x so that the area under the normal curve between ì and x is approximately 0.4798 and the

asked by louise on November 19, 2013
4. ### math

The probability that a person has immunity to a particular disease is 0.3. Find the mean and standard deviation for the random variable x, the number of people who have immunity in samples of size 28. This is a binomial

asked by manny on August 18, 2007
5. ### Elementary statistics

Nine apples, four of which are rotten, are in a refrigerator. Three apples are randomly selected without replacement. Let the random variable x represent the number chosen that are rotten. Construct a table describing the

asked by Rose Bud on February 29, 2012