The distribution ages for students at the state college is

Assignment Help Basic Statistics

Reference no: EM13642536

The distribution ages for students at the state college is positively skewed with a mean of 21.5 and a standard deviation of 3.

a. What is the probablitiy of selecting a random sample of n=4 students with an average greater than 23 ?

b. What is the probability of selecting a random sample of n=36 students with an average age greater than 23?

c. For a sample of n=36 students what is the probability that the average is between 21 and 22?

Reference no: EM13642536

Questions Cloud

A protein subunit from an enzyme is part of a research : a protein subunit from an enzyme is part of a research study and needs to be characterized. a total of 0.180 g of this

A river of width 31 m flows in a straight line the x : a river of width 31 m flows in a straight line the x direction with a speed of 0.21 ms. a boat is rowed such that it

A mixture of ch4 methane and c2h6 ethane weighs 6800 grams : a mixture of ch4 methane and c2h6 ethane weighs 68.00 grams and it is burned in with oxygen fuel. the products formed

Assuming that the mechanism has only one step and that the : a catalyst decreases the activation energy of a particular exothermic reaction by 38 kjmol to 56 kjmol. assuming that

The distribution ages for students at the state college is : the distribution ages for students at the state college is positively skewed with a mean of 21.5 and a standard

When the ball lands it is at the same level as the tee a on : on a distant planet golf is just as popular as it is on earth. a golfer tees off and drives the ball 4.7 times as far

A metal object with a mass of 32 g is heated to 99degc and : given the following equation heat cal g x ?tdegc x specific heat and that the heat of water is 1.00 calgdegc.a metal

Two small nonconducting spheres have a total charge of 948 : two small nonconducting spheres have a total charge of 94.8 uc. when placed 1.10 m apart the force each exerts on the

The edge length of the unit cell of potassium metal k is : the edge length of the unit cell of potassium metal k is 533 pm the unit cell is body-centered cubic one atom at each

User Account

All Pages