Ask Question, Ask an Expert

+1-415-315-9853

info@mywordsolution.com

Ask Statistics and Probability Expert

Calculating probability of specified events.

A study was made to examine the number of times adult males over 30 visit a physician each year.  The results for an illustration of 300 were:

Number of visits

Number of adult males

 

0

30

 

1

60

 

2

90

 

3 or more

120

 

 

300

total

a) Determine what is the probability of selecting someone who visits a physician twice a year?

b)  Determine what is the probability of selecting someone who visits a physical?

Statistics and Probability, Statistics

  • Category:- Statistics and Probability
  • Reference No.:- M920137

Have any Question? 


Related Questions in Statistics and Probability

1 what are time-series research designs and how are they

1. What are time-series research designs, and how are they used to learn about changes in behavior over time? 2. What types of independent variables can be used in participant-variable research designs, and what conclusi ...

1 how does the sample size influence the extent to which

1. How does the sample size influence the extent to which the sample data can be used to accurately estimate population parameters? 2. What statistics are used to indicate how accurately the sample data can predict popul ...

Tables or graphsusing the internet the text or another

Tables or Graphs Using the Internet, the text, or another reliable source such as a newspaper or periodical site, (not a scholastic or school site like Khan Academy and not Wikipedia), research some important data that h ...

1 true or false justify for

1. True or False. Justify for fullcredit. (a) A is an event, and Ac is the complement of A, then P(A AND Ac ) =0. (b) If the variance of a data set is 0, then all the observations in this data set must bezero. (c) If a 9 ...

Assume a normal distribution for n 300 how many cases

Assume a normal distribution for N = 300. How many cases would one expect to find between +1 and -1 standard deviations around the mean? 102 285 150 204

Let n y fiiisinn s p be an aumann model of incomplete

Let (N, Y, (F i ) i ∈N , s, P) be an Aumann model of incomplete information with beliefs, and let W ⊆ Y be an event. Prove that (N,W, (F i  ∩ W) i ∈N  , P(· | W)) is also an Aumann model of incomplete information with be ...

The average prime member spends 5010 a year on the website

The average prime member spends $5,010 a year on the website shopping a wide assortment of goods. In order to increase sales, Amazon starts offering Two Hour Prime Delivery (you can order stuff on Amazon.com and it gets ...

Determine the linear regression model to predict the cost

Determine the linear regression model to predict the cost of a house. Given that the 145 is the estimated mean value of Y when X is zero and 7.4 is the estimated mean value of Y for every one unit change in X.

1 consider a test of h0 mu le 100 versus h1 mu gt 100

1. Consider a test of H0 : μ ≤ 100 versus H1 : μ > 100. Suppose that a sample of size 20 has a sample mean of X = 105. Determine the p-value of this outcome if the population standard deviation is known to equal  (a) 5; ...

What is the difference between dependent and independent

What is the difference between dependent and independent variables? On which side of the regression equation does each lie? Describe how Doane's rule relates to the number of allowed independent variables.  Why is this i ...

  • 4,153,160 Questions Asked
  • 13,132 Experts
  • 2,558,936 Questions Answered

Ask Experts for help!!

Looking for Assignment Help?

Start excelling in your Courses, Get help with Assignment

Write us your full requirement for evaluation and you will receive response within 20 minutes turnaround time.

Ask Now Help with Problems, Get a Best Answer

Section onea in an atwood machine suppose two objects of

SECTION ONE (a) In an Atwood Machine, suppose two objects of unequal mass are hung vertically over a frictionless

Part 1you work in hr for a company that operates a factory

Part 1: You work in HR for a company that operates a factory manufacturing fiberglass. There are several hundred empl

Details on advanced accounting paperthis paper is intended

DETAILS ON ADVANCED ACCOUNTING PAPER This paper is intended for students to apply the theoretical knowledge around ac

Create a provider database and related reports and queries

Create a provider database and related reports and queries to capture contact information for potential PC component pro

Describe what you learned about the impact of economic

Describe what you learned about the impact of economic, social, and demographic trends affecting the US labor environmen