In a typical day, I respond to 3 students emails. What is the probability that in a 5-day work week I respond to 10 or fewer emails?

Q: If 14% of active duty soldiers in the U.S. Army are women, find the probability that if four…

A: Let X represent the random variable   n=4 p=0.14   X~ Binomial (4, 0.14)

Q: There is a 72% chance that I make a stupid mistake when working on problems in class.  What is the…

A: It is an important part of statistics. It is widely used.

Q: A company that advertises on the radio in a certain area receives on average 11 calls everytime it…

A: Formula : poisson distribution is given by

Q: A history class is comprised of 9 female and 4 male students. If the instructor of the class…

A:

Q: A study indicates that 67% of students have have a laptop. You randomly sample 7 students. Find the…

A: Given that, The random variable X students have a laptop The probability of success is 0.67 p=0.67…

Q: If a seed is planted, it has a 95% chance of growing into a healthy plant. If 9 seeds are planted,…

A:

Q: A math professor finds that when she schedules an office hour for student help, an average of 2.3…

A: Step 1:The probability mass function of the poisson distribution is given by…

Q: If a seed is planted, it has a 80% chance of growing into a healthy plant. If 7 seeds are planted,…

A: Given that,Sample size, n = 7 Probability(grow) = 80% = 0.80 Probability(do not grow) = 1 -…

Q: If a seed is planted, it has a 75% chance of growing into a healthy plant. If 8 seeds are planted,…

A: p=0.75, n=8

Q: If a seed is planted, it has a 85% chance of growing into a healthy plant. If 7 seeds are planted,…

A: The random variable X is the number of seeds that don't grow The probability of the seed growing is…

Q: If a seed is planted, it has a 85% chance of growing into a healthy plant. If 7 seeds are planted,…

A:

Q: If a seed is planted, it has a 60% chance of growing into a healthy plant. If 7 seeds are planted,…

A: Let X= the number of seeds that grow into a healthy plant n=number of trials=7  p=probability of…

Q: If a baseball player has a batting average of 0.275​, what is the probability that the player will…

A: Givensample size(n)=4p=0.275p+q=1q=1-p=0.725Let x be a random variablex~Binomial (n,p)Accoding to…

Q: The number of power outages at a retirement center has a mean of “a+1” outages per year. What is the…

A: The objective of this question is to find the probability of exactly 3 outages in a year and the…

Q: A bag of marbles contains six red marbles, five green marbles, and three yellow marbles. If you…

A: We have given that Number of red marbles = 6  Number of green marbles = 5 Number of yellow marbles =…

Q: It is certain that a lacrosse goalie will successfully make a save 91.83% of the time. Suppose that…

A: The probability that a lacrosse goalie will successfully make a save of the time is 0.9183.A sample…

Q: If a seed is planted, it has a 75% chance of growing into a healthy plant. If 8 seeds are planted,…

A:

Q: If a seed is planted, it has a 95% chance of growing into a healthy plant. If 7 seeds are planted,…

A: The probability that the plant doesn't grow into a healthy plant (p) .

Q: A manufacturer claims that a new drug is 85% effective. If the drug is given to 10 patients, find…

A: The binomial probability distribution is, PX=x=nxpx1-pn-x In the formula, n denotes the number of…

Q: Tennis great Roger Federer made 65% of his first serves in the 2011 season. When Federer made his…

A: Given data; First serve  = 65% Fisrt serve win = 78% Second serve win = 57% To find:  the…

Q: Kiara sets up a passcode on her smart phone, which allows for 7 digits. She was informed that using…

A: Given: A smartphone allows 7 digits password she is a digit twice makes the phone more secure.

Q: Doctors have indicated that 33% of the US population has A+ blood which is the second most common…

A:

Q: If a seed is planted, it has a 60% chance of growing into a healthy plant. If 8 seeds are planted,…

A: We have given that  Number of trials n=8 Success of probability p =0.40 Failure of probability q=…

Q: A person conducting telephone surveys must get 3 more completed surveys before their job is…

A: There is 20% chance of completing the phone survey

Q: Atlanta experiences an average of one ice storm every 5 years. What is the probability that Atlanta…

A: It is given that Atlanta experiences an average of one ice storm every 5 years.