10/02/20

#### A teacher keeps track of the number of absences in a class each day along with their probabilities.

A teacher keeps track of the number of absences in a class each day along with their probabilities. Her results are in this table. Number of Absences ... more

08/13/20

#### Could Anyone Help With This Math Question on Probability?

Four friends want to play a game. In order to decide who starts first, two proposals are made.Kristal proposes that they assign everyone a number and take turns rolling a six-sided die. The player... more

08/13/20

#### [calc 1] How do you simplify/get cos(arccsc(x)) to √(x^2-1)/x ?

Thank you in advance!!!!!

#### I have another question to ask

A package of 6 fuses are tested where the probability an individual fuse is defective is 0.05.(That is ,5% of all fuses manufactured are defective.)a.What is the probability one fuse will be... more

#### i need help with this question

An archer shoots arrows at a circular target where the central portion of the target inside is called the bull.The archer hits the bull with probability 1/32.Assume that the archer shoots 96... more

03/28/20

#### Probability question

A shipment of 8 similar microcomputers to a retail outlet contains 3 that are defective. If a school makes a random purchase of 2 of these computers, find the probability mass function for the... more

03/03/20

#### Permutation and Combination

1. A mutual fund company has 6 funds that invest in the U.S. market and 4 that invest in international markets. A customer wants to invest in twoU.S. funds and 2 international funds.i. Unknown to... more

02/20/20

#### What is the probability that the subcommittee consists of 2 men and 1 woman, given that it contains both men and women?

For this problem, assume that the committee contains 10 men and 8 women and that three are selected at random for a subcommittee.

02/16/20

#### Probabilities of draw without replacement

An urn contains 3 white balls and 9 orange balls. If Sam chooses 8 balls at random from the urn, what is the probability that he will select white2 balls and 6 orange balls? Round your answer to 3... more

02/12/20

02/08/20

#### What is the domain of y=30x/(x-30) in interval notation?

I got (-∞,30)U(30,∞) but it said I was wrong. Any tips?

02/07/20

#### trig problem. please explain, is the answer not 9.76 hours?

Outside temperature over a day can be modeled as a sinusoidal function. Suppose you know the temperature varies between 75 and 85 degrees during the day and the average daily temperature first... more

02/04/20

#### Simplify, as you were taught. Type the answer. It's just a number. cuberoot(12) ● cuberoot(18) =

Simplify, as you were taught. Type the answer. It's just a number. cuberoot(12) ● cuberoot(18) =

01/21/20

#### What does the letter X equal?

log x + log 3 = log 18x = I got 6 and 6.0001 but it's incorrect.

01/15/20

#### Question 14 trigonometry

Find the angle between 0 and 2pie in radians that is coterminal to the given angle.

01/10/20

#### Advance Placement Statistics?

It is estimated that 52% of drivers text while driving. How many people should a police officer expect to pull over until she finds a driver NOT texting while driving?Note this question uses the... more

01/08/20

#### I have a z values statistics question.

A population is normally distributed with µ=36 and δ=10 What is the probability of randomly selecting a value that is greater than 45?I get 18,41%, but on my lecture slides the answer is : Area... more

01/04/20

#### Calculus problem, help!

Water is drained out of tank, shaped as an inverted right circular cone that has a radius of 6cm and a height of 12cm, at the rate of 3 cm3/min. At what rate is the depth of the water changing at... more

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