02/18/22

Combined triangles

02/18/22

what is a mean, median, mode, and range?

what is the median, range, mode, and mean of 2, 11, 5, and 6?

Statistics and Probability

The Highway Loss Data Institute’s Injury and Collision Loss Experience Report rates car models on the basis of the number of insurance claims filed after accidents. Index ratings near 100 are... more

02/17/22

confused on another question

Select the correct answer from each drop-down menu.Consider parallelogram  with center E.Since rotating parallelogram  90, 135, 180, 270 about its center E maps side  onto side  and side  onto... more

02/17/22

Raw Data for statistics

How do you find the cumulative proportion

02/16/22

Help me! I'm confused!!

Find base 2 of trapezoid when the area is 60 square feet height 6ft and base 1 is 12ft. And please help show me how you got it!!

02/15/22

What is the equation of a line that has a slope of 1/4 and contains the points (0, -6)

How would I find the X and the Y intercept??

02/14/22

I need help answering a homework problem

A manufacturer knows that their items have a normally distributed lifespan, with a mean of 4.5 years, and standard deviation of 1.3 years.The 2% of items with the shortest lifespan will last less... more

02/13/22

Claire and George are tasked with decorating Easter eggs.

Claire and George are tasked with decorating Easter eggs. The amount of eggs that Claire can decorate in an hour is a random variable with μ = 20 and 𝜎 = 2. The amount of eggs that George can... more

02/13/22

Suppose you are playing a game.

Suppose you are playing a game. The random variable, Y, represents your net profit in dollars. The probabilitydistribution of Y is as follows. (Round your answers to 4 decimal places, if needed.)y ... more

02/13/22

You are given the following distributions, where some of the probabilities have been removed.

You are given the following distributions, where some of the probabilities have been removed. Complete the tables so that each probability distribution is valid. (Round your answers to two decimal... more

02/13/22

Which of the following is NOT an example of a discrete random variable?

Which of the following is NOT an example of a discrete random variable?X = Total steps walked in a dayX = Number of flights that arrive in Edmonton in a dayX = Number of bedrooms in a houseX =... more

02/13/22

Find the number 1.5 standard deviations below the mean?

x Frequency0 21 152 323 294 105 96 3This has me stumped so hard... I need to round the answer to 3 decimal points as well.

02/13/22

Statistics Question

With individual lines at its various windows, a post office finds that the standard deviation for waiting times for customers on Friday afternoon is 8.2 minutes. The post office experiments with a... more

Finding the probability of something from the population

Based on a health care researcher of a hospital, the height of female individuals aged 25-35 is normally distributed with a mean of 161 cm and a standard deviation of 9 cm. Please: Determine with... more

02/13/22

What is the probability that he pulls out a sock that is white, returns it to the drawer, and pulls out another sock that is white?

A boy has 25 socks in his top dresser drawer.  7 are black, 10 are white, and 8 are grey.  The drawer is above the top of his head, so he cannot see what color a sock is until he reaches in and... more

02/11/22

Say you have a biased coin and you associate obtaining a head with the value 0 whereas obtaining a tail has a value of 2. Let X be the sum of the values obtained from tossing the coin three times.

(a) If the probability of getting heads in a single toss is 0.32, then what is the probability distribution of X ? x 0 2 4 6 P(X = x) (b) What is P(X < 6)?(c) What is P(1 < X <... more

02/11/22

Houses show that 45% have attached garages 30% have detached garages and 16% have a TV. Also 50% of houses with a TV have an attached garage and 80% of houses with a detached garage do not have a TV.

a) What is the probability that a randomly chosen house has a garage?Answer: b) What is the probability that a house has an attached garage and a home theatre?Answer: c) What is the probability... more

02/11/22

Suppose that last month, WestJet flights arrived on time 81% of the time and you were on 3 of those flights. (Round your answers to 4 decimal places, if needed.)

(a) Given that each flight is independent of one another, what is the probability that all of your flights arrived on time?Answer: (b) What is the probability that none of your flights arrived on... more

02/11/22

distribution and empirical rule

Suppose that grade point averages of undergraduate students at one university have a bell-shaped distribution with a mean of 2.61 and a standard deviation of 0.43. Using the empirical rule, what... more

Solve this problem on radical

Write the given , draw a figure then show the solution.2. A kite is secured to a rope that is tied to the ground . A breeze blows the kite so that the rope is taugh while the kite is directly above... more

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