12/25/16

The number of messages received by a computer bulletin board follows a Poisson distribution with a mean of 8 messages per hour.
1. What is the probability that 5 messages are received in an hour?2. What is the probability that less than 3 messages are received in half an hour?
Follows • 2
Expert Answers •1

12/24/16

Principles of statistics
A student has an evening job as a waiter in a restaurant, for which the monthly incomes are normally distributed with a mean of RM 400 and a standard deviation of RM 80.i. Without doing any... more
Follows • 2
Expert Answers •1

12/24/16

statistics
a) According to the social Survey conducted at New York city, 45% of employed adults believed that if they lost their job, it would be easy to find another with a similar salary. Suppose that TEN... more
Follows • 2
Expert Answers •1

12/24/16

One Touch Ent. Sells mobile phones as well as other communication gadgets. TABLE 2 shows the probability distribution for the number of mobile phones sold per d
TABLE 2 No.of mobile phones sold: 15 16 17 18 19 20 per day, XP(X = x): 0. 12 0.15 0.20 0.25 0.17 0.11i. Show that the above distribution is a probability distribution of the random variable Χ.ii.... more
Follows • 2
Expert Answers •1

12/24/16

at what time between 5o clock and 6o clock will the minute and the hour hand be perpendicular to each other?
at what time between 5o clock and 6o clock will the minute and the hour hand be perpendicular to each other? pls answer fast
Follows • 5
Expert Answers •4

12/24/16

a new colony was built and the builder gave contract to a sign maker to number the buildings from number 1 to 500. how many zeroes will he need.
solve plz
Follows • 4
Expert Answers •3

12/23/16

question related to statistics (please, urgent)
1. Decide whether the numerical value describes a parameter or a statistic.   “Starting salaries for all MBA graduates from the School of Business, University of Eriz increased 85% from the... more
Follows • 2
Expert Answers •1

12/23/16

With one method of a procedure called acceptance sampling
With one method of a procedure called acceptance sampling, a sample of items is randomly selected without replacement and the entire batch is accepted if every item in the sample is okay. The ABCD... more
Follows • 3
Expert Answers •1

12/22/16

an ostrich can run 7mph faster then a giraffe. An Ostrich can run 6mile in the same time that a giraffe can run 5mile. find the speed of each animal
i need help figuring out how to solve this problem
Follows • 2
Expert Answers •1

12/22/16

A parachute jumper waits five seconds before opening his chute. How far had he fallen in this free fall time?
I don't understand what I'm supposed to do
Follows • 3
Expert Answers •2

12/21/16

Amount invested
Shonda invested her savings in two investment funds. The amount she invested in fund A was $4,000 less than the amount she invested in Fund B. Fund A returned a 7% profit and fund B returned a 3%... more
Follows • 2
Expert Answers •1

12/21/16

solve inequality equation
r-5>6r+10
Follows • 2
Expert Answers •1
C

12/20/16

Average of use
The average age of passenger cars in use in a country is 9.0 years. For a simple random sample of 34 vehicles observed in the employee parking area of a large manufacturing plant, the average age... more
Follows • 2
Expert Answers •1

12/20/16

What angle do the minute and hour hands of a clock make at 5:30?
None okay so yeah lol
Follows • 4
Expert Answers •3

12/20/16

which of the following equations represents a graph that decreases most rapidly?
A. y=-2*2^x-24 B. y=-3*2^x+16 C. y=-1/2*2^x-4 D. y=-1*2^x+12
Follows • 3
Expert Answers •2

12/19/16

if ON= 2x-7, LM= 4x+3, NM= x+6, and OL= 8y-7, find the values of x and y for which LMNO must be a parallelogram
i need help with my topics in geometry homework
Follows • 4
Expert Answers •3

12/19/16

A store sold 32 pairs of jeans for a total of $1050. Brand A sold for $30 per pair and Brand B sold for $35 per pair. How many of each brand were sold?
HELP PLEASE
Follows • 2
Expert Answers •1

12/19/16

Working together, Tiffany and Rumita can polish the gym floor in six hours.
Working together, Tiffany and Rumita can polish the gym floor in six hours.Working alone,Tiffany can complete the job in eight hours. How long would it take Rumita to polish the floor on her own?
Follows • 3
Expert Answers •2

12/19/16

Statistic Question
In a recent year, 8,420,717 male students and 2,782,246 female students were enrolled as undergraduates. Receiving aid were 63.2% of the male students and 65.1% of the female students. Of those... more
Follows • 2
Expert Answers •1

12/19/16

Math please help
Mark reads 42 pages of a book every 3/4 hour. Write an equation that models the relationship between x, the number of hours Mark reads, and y, the number of pages of the book he reads.
Follows • 4
Expert Answers •2

12/19/16

if you graphed a quadratic function and notived that it crossed at -2 and 5 what whould the two factors of the function be
if you graphed a quadratic function and notived that it crossed at -2 and 5 what whould the two factors of the function be?
Follows • 2
Expert Answers •1

12/19/16

Can you tell me which of the following is one to one
Which of the following is one to one f(x)=2^x-1 f(x)=|3x-2| f(x)=4x^2-5 f(x)=(square root)25-x^2
Follows • 2
Expert Answers •1
C

12/19/16

Probability
The number of accidents on a particular road averages 2.1 per day. Assuming that a Poisson distribution is appropriate, find the probability that 4 accidents will occur on a given day
Follows • 2
Expert Answers •1

12/18/16

if two pairs of boots and four pairs of shoes cost $500. and 3 pairs of boots and 3 pairs of shoes costs $555. How much is each pair of boots and shoes?
algebra 2 linear equation word problem. Need the cost of one pair of boots and the cost of one pair of shoes 
Follows • 2
Expert Answers •1

12/18/16

adult tickets are $5 children's tickets are $2. one day 21 tickets were sold for a total of $72. How many were adults and how many were children?
Algebra 2 linear equation problem. tickets for a movie are 5 dollars for adults and 2 dollars for children. One afternoon 21 tickets were sold and the receipts totaled to 72 dollars. How many adult... more
Follows • 2
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.