Calculating probability of specified events. a study was, Ask an Expert

Statistics

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?

View complete question

Statistics and Probability, Statistics

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

Have any Question?

Related Questions in Statistics and Probability

A foreign trader at the banks tx desk calls to inform you

A Foreign trader at the bank's TX desk calls to inform you that the company TD Bank is quoting $1.20/€1, and Bank of America is offering $1.40/£1. The trader also noticed thatCredit Z is also making the market in pound ...

Can you look for multicollinearity between a categorical

Can you look for multicollinearity between a categorical independent variable and a continuous dependent variable or can you only look for multicollinearity between a continuous independent variable and a continuous depe ...

Dave and ellen are newly married and living in their first

Dave and Ellen are newly married and living in their first house. The yearly premium on their homeowner's insurance policy is $400 for the coverage they need. Their insurance company offers a discount of 8 percent if the ...

A box contains n white and m black balls one ball is added

A box contains n white and m black balls. One ball is added randomly, white with probability p and black with probability 1 - p. Then a random ball is taken out from the box. (a) Find the probability that the taken ball ...

Star corp is considering investing in new equipment to

Star Corp. is considering investing in new equipment to serve more customers. You have been asked to determine the required return of Star Corp's common equity, assuming that the firm will raise new equity financing to f ...

There are twenty stores for a grocery chain in the

There are twenty stores for a grocery chain in the Mid-Atlantic region. The regional executive wants to visit five of the twenty stores. She asks her assistant to choose five stores and arrange the visit schedule. (Pleas ...

What is the annual yield to maturity ytm of a 10-year bond

What is the annual yield to maturity (YTM) of a 10-year bond, $1000 par, 8% coupon paid semi-annually, currently selling for $975?

Suppose you want to estimate the proportion of traditional

Suppose you want to estimate the proportion of traditional college on your campus who own their own car. Based on some research on other campuses, you believe the proportion will be near 25%. What sample size is needed i ...

Which is more detrimental to the sale of a popular athletes

Which is more detrimental to the sale of a popular athlete's paraphernalia, bad behavior on-the-field or bad behavior off-the-field? What is the Null Hypothesis: What is the Alternative Hypothesis:

Question 1 many high school students take the ap tests in

Question 1. Many high school students take the AP tests in different subject areas. In 2007, of the 144,796 students who took the biology exam 84,199 of them were female. In that same year,of the 211,693 students who too ...

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

Recent Questions

Ask Statistics and Probability Expert