What is probability of success on a single trial

Assignment Help Basic Statistics

Reference no: EM13496075

According to one study that looked at the percent of left-handed people by state, 11.6% of people in Indiana are left-handed. You survey 15 Indiana residents at the state fair and ask whether they are left-handed. Call the random variable in this scenario X.
a) What is a "success" in this situation and what is probability of success on a single trial?
b) Explain in words what X is in terms of the story and what values it can take on.
c) What are the distribution and parameters of X?
d) What is the probability that exactly 2 will be left-handed?
e) What is the probability that at MOST 2 will be left-handed?
f) How many would you have to survey in order to be at least 95% sure that you find at least 1 who is left-handed?

Reference no: EM13496075

Questions Cloud

At what speed is the resistive force on the skydiver half : A skydiver of 75 kg mass has a terminal velocity of 60m/s. At what speed is the resistive force on the skydiver half that when at terminal speed

Calculate the gravitational force exerted on the baby : Some believe that the positions of the planets at the time of birth influence the newborn. Calculate the gravitational force exerted on the baby by the planet Jupiter (m=1.9*10^27 kg) at its closest approach to the earth

Explain a small amount of naoh to a solution : What change will be caused by adding a small amount of NaOH to a solution containing flouride ion and hydrogen flouride

Explain what is the redox reaction for mno4- + 8h+ +5fe2+ : what is the redox reaction for MnO4- + 8H+ +5Fe2+ ______ Mn2+ + 5Fe3+ + 4H2O and which ion is oxidized and which one is reduced

What is probability of success on a single trial : What is a "success" in this situation and what is probability of success on a single trial?

Find out reaction enthalpy for the zn : determine calorimeter constant b) determine reaction enthalpy for the Zn / HCl reaction c) if ?fHo (ZnCl2 aq) is -482.2 kJ mol-1 and ?fHo (HCl aq) is -165.2 kJ mol-1, what is you percent error

Calculate the approximate angle the needle deflects : You place a long straight wire on top of your compass, and the wire is a height of 3 millimeters above the compass needle. calculate the approximate angle the needle deflects

What distribution and paramete : a) Let X be the number of teams from IU on Pete's season schedule. What's the probability that none of the Pete's opponents are from IU? What distribution and parameter(s) are you using?

What is the difference in the masses of these planets : The mass of a robot is 6210 kg. This robot weighs 3970 N more on planet A than it does on planet B. What is the difference MA - MB in the masses of these planets

User Account

All Pages