# Category: Statistics

Statistics Homework/Assignment

#### Solved:An observational study is conducted to investigate the association between age and total serum cholesterol. The correlation is estimated at

An observational study is conducted to investigate the association between age and total serum cholesterol. The correlation is estimated at r=0.35. The study involves n=125 participants and mean (std dev)…

#### Solved:The probability that you will win a game is 0.45. (a) If you play the game 80 times, what is the most likely number of wins

The probability that you will win a game is 0.45. (a) If you play the game 80 times, what is the most likely number of wins? (b) What are the…

#### Solved:It is often assumed that the auto traffic that arrives at the intersection during a unit time period has a Poisson distribution with expected value

It is often assumed that the auto traffic that arrives at the intersection during a unit time period has a Poisson distribution with expected value $m$. Assume that the number…

#### Solved:Let $T$ be the survival time and $T$ follows an exponential distribution.

Let $T$ be the survival time and $T$ follows an exponential distribution. Derive the expression for survival function of $T$. Also obtain expression for force of mortality. Solution Let $T$…

#### Solved:Derive the expression for survival function of $T$,

Derive the expression for survival function of $T$, where $T$ is the survival time having Two parameter weibull distribution. Solution Let the survival time $T$ follows two parameter Weibull distribution.…