Question: 1) For a binomial random variable XB(n=7,p=0.5), find the probabilityP(X=5): P(X=5)= 2) A local county has an unemployment rate of 7.5%. A random sample of

1) For a binomial random variable

XB(n=7,p=0.5), find the probabilityP(X=5):

P(X=5)=

A local county has an unemployment rate of 7.5%. A random sample of 18 employable people are picked at random from the county and are asked if they are employed. Round answers to 4 decimal places.

a) Find the probability that exactly 3 in the sample are unemployed.

b) Find the probability that there arefewer than3 in the sample are unemployed.

c)Find the probability that there aremore than3 in the sample are unemployed.

d)Find the probability that there areat most3 in the sample are unemployed.

Step by Step Solution

There are 3 Steps involved in it

1 Expert Approved Answer

Step: 1 Unlock blur-text-image

Question Has Been Solved by an Expert!

Get step-by-step solutions from verified subject matter experts

Step: 2 Unlock

Step: 3 Unlock

Students Have Also Explored These Related Mathematics Questions!

Questions: 0 Question 8 v Suppose approximately 62% of all students study after midnight. For random sample of n = 3 students, let X be the number of students that study after midnight. a. Complete...

I have 3 binomial distribution questions that I am stuck on and need help with. 1. A survey shows that about 20% of those over the age of 65 years old are in danger of catching COVID-19. If 11...

BA 1605: Midterm Recap (Due: Feb. 27, 2015) Name _____________________________ 50 Student ID _____________________________ Section 01B 10:00~11:20 am Section 02B 01:00~02:20 pm [Questions 4 ~ 7] The...

complete these stats problems: 35.The Acme Company manufactures widgets. The distribution of widget weights is bell-shaped. The widget weights have a mean of 46 ounces and a standard deviation of 3...

STAT 200 Spring 2016 Page 1 of 7 Record your answers and work. Problem Number Solution State the null hypothesis for: a. An experiment testing whether echinacea decreases the length of colds. b. A...

Assume Binomial Distribution with n = 15 and p = 0.5. Please show your answers to 4 decimal places. P(X == 4) = P(X 4) = P(X > 4) = P(X 4) = The probability that the San Jose Sharks...

Exercises Chapter 2 2.1 Marginal and conditional probability: The social mobility data from Section 2.5 gives a joint probability distribution on (Y1 , Y2 )= (father's occupation, son's occupation)....

1. A player throws a fair die and simultaneously flips a fair coin. If the coin lands heads, then she wins twice, and if tails, then one-half of the value that appears on the die. Determine her...

- Score on last try: 2 of 4 pts. See Details for more. Next question You can retry this question below Of the 72 students enrolled in a statistics class last semester, 39 searched online for answers...

Hi, I need help with these questions. Thank you! A special deck of cards has 5 green cards , and 3 yellow cards. The green cards are numbered 1, 2, 3, 4, and 5. The yellow cards are numbered 1, 2,...

A. B. C. How many types of nonequivalent protons are present in each of the following molecules? Molecule #1 CH3CHC=CH Molecule #2 CH3CHC(CH3)2CHCH3 Molecule #3 CH3CHCHCHOCH3

Select a franchise business that you like. Learn about the processes to go through to start that franchise in Canada. Then briefly explain the model (company's name, steps to start, information on...

Explain how the following factors affectthe dollar's exchange rate under a system of marketdetermined exchange rates: (a) a rise in the U.s. price level, with the foreign price level held constant;...

A loan is amortized over five years with monthly payments at a nominal interest rate of 9% compounded monthly. The first payment is 1000 and is to be paid one month from the date of the loan. Each...

Explain the relationship among findings, conclusions, and recommendations. (Objective 3 )

Why is the choice of format important with a formal report? (Objective 5)

What factors should be considered when formatting a written report? (Objective 5)