Question

Step 1

**Note:**

Hi! Thanks for the question. As your question has more than 3 parts, we have solved the first 3 parts for you, according to our policy. If you need help with any other part, please re-post the question and mention the part.

Step 2

**Introduction:**

Denote *X* be the number of patients who gained weight in a sample of *n* = 413. Here, *X* is a binomial variable.

The probability of success is, *p* = 0.15.

The mean is, *np* = 61.95; the variance is, *np *(1 – *p*) = 52.66; the standard deviation is, √ [*n...*

Tagged in

Q: Given a discrete RV X that takes on the values {-2, -1, 3, 4} and whose pmf (probability mass functi...

A: Mean:The mean of a discrete random variable X is the sum of the possible values that the random vari...

Q: For the 2010-2011 viewing season, the top five syndicated programs were Wheel of Fortune (WoF).Two a...

A: The Given Data are as follows

Q: On a measure of artistic ability, the men for college students in new zealand is 150 and tthe standa...

A: Given mean = 150Standard deviation = 25The Z score is calculated using the below mentioned formula a...

Q: A company sells machine tools to two firms in a certain city. In 50% of the years it makes a sale to...

A: Given:P(sale to the first firm)=0.50P(sale to the second firm)=0.90P(sale to both)=0.45Check whether...

Q: 1. A normal population has mean of "u"=20 and standard deviation Q=4. Questions: a. What proportion ...

A: 1.a.It is given that mean of and standard deviations of the normal population are 20 and 4 respectiv...

Q: I need to find the population of the study. I know the population of the study is the group as a who...

A: Population refers to the total set of observations.In this question, you want to know the average an...

Q: What two characteristics of an empirical distribution can DECREASE the size of the standard error?

A: The two characteristics of an empirical distribution that can decrease the size of the standard erro...

Q: According to the empirical (68-95-99.7) rule, if a random variable ?z has a standard normal distribu...

A: From the given information, confidence level is 95%.Normal distribution is a symmetrical distributio...

Q: PARKING ON CAMPUS: a college faculty consist of 400 men and 250 women. The college administration wa...

A: Stratified sampling:In stratified sampling, the entire population is divided into homogeneous groups...

Sorry about that. What wasn’t helpful?