When starting a survey using male and female participants should the number be equal?

When starting a survey using male and female participants should the number be equal?

In order to estimate the mean amount of time computer users spend on the internet each month, how many computer users must be surveyed in order to be 90% confident that your sample mean is within...

The probability a person is left-handed is 0.14. In a group of 45 people, what is the probability that exactly five are left-handed? Binomial probabilities?

A set of data has an interquartile range of 20 and a lower quartile range of 6. if the data is symmetrica, what is the value of the median? Please help and explain the outcome..Thanks so much...

For a normal shaped distribution with μ = 50 and σ = 8: A. What proportion of the scores fall between 46 and 54? B. For samples of n = 4, what proportion of the sample means fall between 46 and 54...

A survey of 72 customers was taken at a bookstore regarding the types of books purchased. The survey found that 43 customers purchased mysteries, 33 purchased sciencefiction, 27 purchased romance...

defective item, 10 item, some are bad, probability without replacement

Hi, Ive got 2 sets of data. 181 figures in each. Can I use Pearson's Corrrelation Coefficient to see if there is a correlation between them. And if so what would this mean r = -0.28,...

creating a table with a few selected variables within the data set. I have two tables but would like to combine the two. Can that be done

in a test of indigestion tablets, 164 out of a sample of 200 people found out that the tablets were effective. The research team claimed that the tablet was 90% effective. Does the evidence support...

I am struggling with this homework for a stats course. The teacher is very unclear and I cannot afford to fail. Any help would be appreciated it

The lowest score that a student can earn and be admitted to the university is: Please help me my Stats teacher is very unclear and is rushing through...

What is the probability on have one red and one yellow tullip

A population of snakes have total lengths: 7cm, 5cm, 10cm, 13cm, and 9cm. If two snakes are selected at random without replacement (order does not matter), what is the probability that...

A.81 B.The answer cannot be determined from the information given. C.82 D.91

Creating a tree diagra.

age of employees number of employees 18 -20 ...

A study conducted by a local tennis center revealed that 25 percent of its new members have novice level tennis skills. a membership drive in a metropolitan are resulted in 500 new members. It has...

The time spent (in days) waiting for a kidney transplant for people ages 35-49 can be approximiated by the normal distribution, as shown in the figure to the right.

Statistics

Steven M.

Premium Test Prep and Subject Tutor - New York City UWS

New York, NY

5.0
(253 ratings)

Justin H.

Math, Computer Science, and SAT Tutoring from a Google Engineer

New York, NY

5.0
(411 ratings)

Dharshini S.

Your Tutor for Math & Science!

Bayonne, NJ

4.9
(36 ratings)