Probability and statistics | Probability homework help

1.) Assume that when adults with smartphones are randomly​ selected, 37​% 

use them in meetings or classes. If 20 adult smartphone users are randomly​ selected, find the probability that exactly 16 of them use their smartphones in meetings or classes.

The probability is?

​(Round to four decimal places as​ needed.)

2.)Assume that when adults with smartphones are randomly​ selected, 58​%
use them in meetings or classes. If 10 adult smartphone users are randomly​ selected, find the probability that at least 6 of them use their smartphones in meetings or classes.

The probability is?
​(Round to four decimal places as​ needed.)

3.)Assume that when adults with smartphones are randomly​ selected, 54%
use them in meetings or classes. If 15 adult smartphone users are randomly​ selected, find the probability that fewer than 3 of them use their smartphones in meetings or classes.

The probability is?
​(Round to four decimal places as​ needed.)

4.)Based on a​ poll, 60​% of adults believe in reincarnation. Assume that 5
adults are randomly​ selected, and find the indicated probability. Complete parts​ (a) through​ (d) below.

a. The probability that exactly 4 of the 5 adults believe in reincarnation is?

​(Round to three decimal places as​ needed.)

b. What is the probability that all of the selected adults believe in reincarnation?

c. What is the probability that at least 4 of the selected adults believe in reincarnation?

d. If 5 adults are randomly selected, is 4 a significantly high numberwho believe in reincarnation?

5.)Assume that different groups of couples use a particular method of gender selection and each couple gives birth to one baby. This method is designed to increase the likelihood that each baby will be a​ girl, but assume that the method has no​ effect, so the probability of a girl is 0.5 Assume that the groups consist of 

45 couples.

a. Find the mean and the standard deviation for the numbers of girls in groups of 

45 births.

(do not round)

6.)Assume that hybridization experiments are conducted with peas having the property that for​ offspring, there is a 0.25 probability that a pea has green pods. Assume that the offspring peas are randomly selected in groups of 28. 

a. Find the mean and the standard deviation for the numbers of peas with green pods in the groups of 28.

Calculate your paper price
Pages (550 words)
Approximate price: -

Why Choose Us

Quality Papers

We value our clients. For this reason, we ensure that each paper is written carefully as per the instructions provided by the client. Our editing team also checks all the papers to ensure that they have been completed as per the expectations.

Professional Academic Writers

Over the years, our Acme Homework has managed to secure the most qualified, reliable and experienced team of writers. The company has also ensured continued training and development of the team members to ensure that it keep up with the rising Academic Trends.

Affordable Prices

Our prices are fairly priced in such a way that ensures affordability. Additionally, you can get a free price quotation by clicking on the "Place Order" button.

On-Time delivery

We pay strict attention on deadlines. For this reason, we ensure that all papers are submitted earlier, even before the deadline indicated by the customer. For this reason, the client can go through the work and review everything.

100% Originality

At Essay USA, all papers are plagiarism-free as they are written from scratch. We have taken strict measures to ensure that there is no similarity on all papers and that citations are included as per the standards set.

Customer Support 24/7

Our support team is readily available to provide any guidance/help on our platform at any time of the day/night. Feel free to contact us via the Chat window or support email: support@acmehomework.com.

Try it now!

Calculate the price of your order

We'll send you the first draft for approval by at
Total price:
$0.00

How it works?

Follow these simple steps to get your paper done

Place your order

Fill in the order form and provide all details of your assignment.

Proceed with the payment

Choose the payment system that suits you most.

Receive the final file

Once your paper is ready, we will email it to you.

Our Services

Essay USA has stood as the world’s leading custom essay writing services providers. Once you enter all the details in the order form under the place order button, the rest is up to us.

Essays

Essay Writing Services

At Essay USA, we prioritize on all aspects that bring about a good grade such as impeccable grammar, proper structure, zero-plagiarism and conformance to guidelines. Our experienced team of writers will help you completed your essays and other assignments.

Admissions

Admission and Business Papers

Be assured that you’ll definitely get accepted to the Master’s level program at any university once you enter all the details in the order form. We won’t leave you here; we will also help you secure a good position in your aspired workplace by creating an outstanding resume or portfolio once you place an order.

Editing

Editing and Proofreading

Our skilled editing and writing team will help you restructure you paper, paraphrase, correct grammar and replace plagiarized sections on your paper just on time. The service is geared toward eliminating any mistakes and rather enhancing better quality.

Coursework

Technical papers

We have writers in almost all fields including the most technical fields. You don’t have to worry about the complexity of your paper. Simply enter as much details as possible in the place order section.