5,341 Answered Questions for the topic probability

Probability

03/26/23

What is the probability of a team not playing an a certain field

There are 12 teams in a league that play 16 games each per season. There are 3 possible fields to play on each week (16 games total). What is the probability that only one team does not get to play... more
Follows • 2
Expert Answers •1
Probability

03/26/23

Deduce that the random variable f(X) that minimizes E[(Y-f(X))^2] is f(X)= E[Y|X].
Follows • 1
Expert Answers •1
Probability Statistics

03/23/23

Statistics Question
At a restaurant, the time a customer has to wait before being seated follows an exponential distribution and is given by the probability density function (pdf): f(t)=1e−1t Find the probability that... more
Follows • 1
Expert Answers •1
Probability Statistics

03/22/23

Statistics Question
The actual volumes of quart-size bottles of Heinz Ketchup are uniformly distributed from 31.46 to 32.6 fluid ounces. Find the standard deviation in volumes of quart-size Heinz Ketchup bottles (in... more
Follows • 2
Expert Answers •1
Probability Statistics

03/22/23

Statistics Question

The probability density of a random variable X is given in the figure below. From this density, the probability that X is between 0.32 and 1.8 is:
Follows • 1
Expert Answers •1
Probability Statistics

03/22/23

Statistics Question
A certain insurance company sells an home and auto insurance policy that covers losses incurred by a policy holder, subject to a deductible of $202. Losses incurred follow an exponential... more
Follows • 1
Expert Answers •1
Probability Statistics

03/22/23

Statistics Question
The life (in months) of a certain computer component has a probability density function defined by f(x)=14e−x/4 for x in [0,∞). Find the probability that a component randomly selected will last... more
Follows • 1
Expert Answers •1
Probability Statistics

03/22/23

Statistics Question
The average number of radioactive particles passing through a counter during 1 millisecond in a lab experiment is 13. Find the probability that more than 4 milliseconds pass between particles.
Follows • 1
Expert Answers •1
Probability Statistics

03/22/23

Statistics Question

A professor must spend different amounts of time with each student to help with various topics during office hours. These times follow an exponential distribution with the average amount of time of... more
Follows • 2
Expert Answers •1
Probability Statistics

03/22/23

Statistics Question

The lengths of a runner's workout have a continuous uniform distribution between 49.29 min and 55.55 min. If one such workout is randomly selected, find P49 P49 = (Report answer accurate to... more
Follows • 1
Expert Answers •1
Probability Statistics

03/22/23

Statistics Question

Suppose that the value of a stock varies each day from $10.82 to $29.17 with a uniform distribution.Find the upper quartile; 25% of all days the stock is above what value? (Enter your answer to the... more
Follows • 2
Expert Answers •1
Probability

03/22/23

Same name drawn from the 16 names in a hat on 3 consecutive occasions (with replacement)
There are 16 ping pong balls in a container, each with a different persons name (16 people). What are the odds that the same person's name gets drawn on 3 consecutive occasions.
Follows • 1
Expert Answers •1
Probability

03/21/23

In the card game Magic: the Gathering, spells are cast using mana produced by “land” cards. Suppose your deck has 60 cards, 24 of which are lands.
In the card game Magic: the Gathering, spells are cast using mana produced by “land” cards. Suppose your deck has 60 cards, 24 of which are lands.(a) What is the probability that your opening hand... more
Follows • 2
Expert Answers •1
Probability

03/21/23

A card is drawn randomly from a standard 52-card deck.
A card is drawn randomly from a standard 52-card deck. Find the probability of the given event.Write your answers as simplified fractions.A. The card drawn is 3.P(3) is equal to    .B. The card... more
Follows • 1
Expert Answers •1
Probability

03/21/23

The probability that both televisions work is?
Suppose you just received a shipment of fifteen televisions. Four of the televisions are defective. If two televisions are randomly​ selected, compute the probability that both televisions work.... more
Follows • 1
Expert Answers •1

03/20/23

Use substitution tUse substitution to evaluate the indefinite integral ∫3x^2e^(2x3) dx.o evaluate the indefinite integral ∫3x^2e^(2x3) dx.
Use substitutioUse substitution to evaluate the indefinite integral ∫3x^2e^(2x3) dx.n to evaluate the indefinite integral ∫3x^2e^(2x3) dx.
Follows • 1
Expert Answers •1
Probability Statistics

03/20/23

please help solve
The lengths of pregnancies in a small rural village are normally distributed with a mean of 269 days and a standard deviation of 17 days.In what range would you expect to find the middle 98% of... more
Follows • 2
Expert Answers •1
Probability Statistics

03/20/23

please help me solve this
A company produces steel rods. The lengths of the steel rods are normally distributed with a mean of 177.9-cm and a standard deviation of 1.1-cm. For shipment, 18 steel rods are bundled... more
Follows • 1
Expert Answers •1
Probability Statistics

03/20/23

please help me solve this
On the distant planet Cowabunga , the weights of cows have a normal distribution with a mean of 569 pounds and a standard deviation of 59 pounds. The cow transport truck holds 17 cows and can hold... more
Follows • 1
Expert Answers •1
Probability Statistics

03/19/23

What is the probability that you encounter at least one luma during the 300 encounters while using a radar?
In the game Temtem there is a very small (1 out of 7500) chance that you will encounter a "luma" version of a creature. With a special radar item, you can increase these chances by encountering... more
Follows • 1
Expert Answers •1
Probability Statistics

03/17/23

Please help me solve this
The mean daily production of a herd of cows is assumed to be normally distributed with a mean of 30 liters, and standard deviation of 7.1 liters.A) What is the probability that daily production... more
Follows • 1
Expert Answers •1
Probability Statistics

03/17/23

Please help me solve this
A distribution of values is normal with a mean of 36.8 and a standard deviation of 61.6.Find the probability that a randomly selected value is greater than 203.1.P(X > 203.1) = Enter your answer... more
Follows • 1
Expert Answers •1
Probability Statistics

03/17/23

Please help me solve this
A company produces steel rods. The lengths of the steel rods are normally distributed with a mean of 174.7-cm and a standard deviation of 0.6-cm.Find the probability that the length of a randomly... more
Follows • 1
Expert Answers •1
Probability Statistics

03/17/23

im begging pls help ive gotten this wrong too many times
The heights of adult men in America are normally distributed, with a mean of 69.2 inches and a standard deviation of 2.69 inches. The heights of adult women in America are also normally... more
Follows • 1
Expert Answers •2
Probability Statistics

03/17/23

Please help me solve this
For a standard normal distribution, find:P(z < -0.62)Express the probability as a decimal rounded to 4 decimal places.
Follows • 1
Expert Answers •1

Still looking for help? Get the right answer, fast.

Ask a question for free

Get a free answer to a quick problem.
Most questions answered within 4 hours.

OR

Find an Online Tutor Now

Choose an expert and meet online. No packages or subscriptions, pay only for the time you need.