User Account

All Pages

Probability of a child being a girl

Assignment Help Basic Statistics
Reference no: EM132845388

Let the random variable x represent the number of girls in a family with three children. Assume the probability of a child being a girl is 0.43.

The table on the right describes the probability of having x number of girls. Determine whether the table describes a probability distribution. If it? does, find the mean and standard deviation. Is it unusual for a family of three children to consist of three? girls?
x ?P(x)

0 0.185

1 0.419

2 0.316

3 0.080

Reference no: EM132845388

Questions Cloud

What was the view of the riots in the south : What do you think accounts for the differences in information given to the public and the tone of the articles? What was the view of the riots in the South
What were forces that led lincoln to issue emancipation : A civil war caused Lincoln to finally hurl an executive fist at slavery. What were these forces that led Lincoln to issue his Emancipation Proclamation?
Why did you select the particular five pieces : Why did you select these particular five pieces? What connections did you make between these pieces? How do you hope viewers will make these connections?
Calculate the correct cost of the inventory on August : Neither of these shipments was included in the August 31 count. Calculate the correct cost of the inventory on August 31
Probability of a child being a girl : Let the random variable x represent the number of girls in a family with three children. Assume the probability of a child being a girl is 0.43.
Create an activity that invites participation : Part 3 of the Global Education Workshop project will be to turn your Week 8 design document/research paper into a PowerPoint presentation for use.
Find the probability that batch is accepted : If at least one of the ?ve tested transistors is defective, the batch is rejected. Suppose that a given batch contains exactly 10 defective transistors.
What is the value of the borrowed amount in euro : The bank doesn't want to invest any of its own money, but can borrow €10,000,000 or ¥1,000,000,000. What is the value of the borrowed amount in euro
How does the author build suspense : How does the author build suspense and make you want to continue reading? If there was an additional chapter or sequel to the selection.

Reviews

Write a Review

Basic Statistics Questions & Answers

  Determine correlation coefficient

Compute the 95% confidence and prediction intervals for values of y for X = 40. Determine correlation coefficient, Interpret.

  Find mean nicotine content exceed a value

The FDA claims that the mean nicotine content exceeds 30.2 milligrams for this brand of cigarette and their stated reliability is 99%. Do you agree?

  An investor estimates that there is a 75 chance that a

an investor estimates that there is a 75 chance that a particular mutual funds price will increase to 100 per share

  Give a brief explanation of the meaning of the interval

Let p represent the proportion of all supermarket shoppers who always stock up on an item when they find a real bargain. Find a point estimate for p.

  What type of data is the following hours you studied for

what type of data is the following hours you studied for this exam?categoricaldiscrete numericalcontinuous

  Problem related to the selection of colorblind person

Assume that 5% of men and only .25% of women are colorblind. A colorblind person is chosen at random:

  Find responding to changes in unobserved third variable

Suppose the correlation between two variables x and y is due, in part, to the fact that y is responding to changes in some unobserved third variable. What is this due to?

  Estimating the average family income

Does strati?cation help in estimating the average family income? From a simple random sample of size 400, estimate the average income

  How to reduce the percentage of appliances

The research department of an appliance manufacturing firm has developed a solid-state switch for its blender that the department claims will reduce.

  An expression for the values of the prediction coefficient

Find an expression for the values of the prediction coefficients which minimize the mean-square prediction error.

  Level of significance to test claim that drug has changed

with sample standard deviation s=0.6. Use a 5% level of significance to test the claim that the drug has changed(either way) the mean pH level of the blood.

  Estimate the proportion of students nationwide

In a random survey of 226 college students, 20 reported being only children (with no siblings). Estimate the proportion of students nationwide who are only children.

Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

Submit Assignment

Academics

Major Subjects

Majors

Get In Touch

whatsapp: +1-415-670-9521

Phone: +1-415-670-9521

Email: [email protected]

TERMS & POLICIES

HELP & SUPPORT

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd