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A school club consists of 22 male students and 15 female students. If 3 students are selected to represent the club in the
4 answers
asked by
kim
2,888 views
a line of regression y =-1.240 +7.07x is the best fit line for a set of data comparing airfare with 30 days notice and one-day
3 answers
asked by
shay
1,333 views
In the game of roulette, a wheel consists of 38 slots numbered 0, 00, 1, 2,..., 36. To play the game, a metal ball
4 answers
asked by
A
15,616 views
The bottom 30% students failed an end of semester exam. The mean for the the test was 120 and the standard deviation was 17.
4 answers
asked by
Aman Teklay
2,448 views
n analyst working for a telecommunications company has been asked to gauge the stress on its cellular networks due to the
3 answers
asked by
aafia
548 views
a survey from teeneage research unlimited found that 30% of teenage consumers receive their spending money from parttime jobs.
2 answers
asked by
samuel
667 views
what is the meaning of estimated probability. how do i find what to start or how to even start?
1 answer
asked by
bri<3 :)
347 views
Select three different five card combinations or five-card hands from your favorite card game that utilizes a standard 52-card
2 answers
asked by
Anna
788 views
In 2000, National data suggested that 26% of all U.S. businesses were owned by women. In 2009, a consulting firm surveyed a
1 answer
asked by
Samantha
715 views
The Middlecreek Branch of the National Bank of Virginia has 10 real estate loans over $1,000,000. Of these 10 loans, 4 are
2 answers
asked by
Kim
1,164 views
Please help with conditional probability problem?
Over 50% of all engineers end up in management. An engineering firm needs
2 answers
asked by
Alex
519 views
if you charge an urban householder $209.50 per year for insurance, what is the largest profit you could earn on that one policy
1 answer
asked by
karlyn
307 views
A sample of four different calculators is randomly selected from a group containing 15 that are defective and 26 that have no
3 answers
asked by
Anonymous
898 views
Based on data collected by the National Center for Health Statistics and made available to the public in the Sample Adult
1 answer
asked by
Hussain
735 views
A physical therapist wants to determine the difference in the proportion of men and women who participate in regular sustained
3 answers
asked by
maddie
1,019 views
Hi i forgot how to do this please help!
Find the t-value such that the area left of the t-value is 0.1 with 21 degrees of
1 answer
asked by
Ray
276 views
Consider the following distributions of the marks scored by 100 students in a quantitative
techniques activity. The median mark
1 answer
asked by
G
372 views
Lifetime (in years) number of product
10-15 5 15-20 15 20-25 20 25-30 6 30-35 4 A) calculate the mean,median and mode and compare
1 answer
asked by
lili
281 views
34% of women consider themselves fans of professional baseball. You randomly select six women and ask each if she considers
1 answer
asked by
b
267 views
% of scores falling between a z- score of .54 and the mean.
I have no idea how to start this I looked at the table and .54 was
1 answer
asked by
Savanna
177 views
37. A box whole, twored balls, if two balls are selected at random find the probability that
a) one red and one white ball are
1 answer
asked by
sanyii
241 views
The mean lifetime of a sample of 100 light tubes produced by a company is found to be 1570 hours with standard deviation of 80
2 answers
asked by
wambui
485 views
A person going to a party was asked to bring 3 different bags of potato chips. Going to the store, he finds 19 varieties.
3 answers
asked by
David
292 views
quiz consists of 7 multiple choice questions. each question has 5 answers, one of which is correct. if random guess is made,
1 answer
asked by
Hanna
328 views
Suppose that the average pop song length in America is 4 minutes with a standard deviation of 1.25 minutes. It is known that
2 answers
asked by
sam
743 views
A bag contains
4 white marbles, 5 red marbles, and 9 blue marbles. If a marble is drawn from the bag, replaced, and another
3 answers
asked by
Dre
2,361 views
60% of all bald eagles survive their first year of life. Give your answers as decimals, not percents. If 43 bald eagles are
3 answers
asked by
HelpAnon
715 views
Births are approximately Uniformly distributed between the 52 weeks of the year. They can be said to follow a Uniform
1 answer
asked by
Sebastian18
452 views
Two cards are selected from a standard deck of 52 playing cards. The first card is not replaced before the second card is
4 answers
asked by
dilila gridwort
2,077 views
7. A firm has appointed a large number of dealers all over the country to sell its bicycle; it is interested in knowing the
1 answer
asked by
johnny
352 views
According to a college survey, 71% of all students work full time. Find the standard deviation for the number of students who
1 answer
asked by
James
182 views
find the standard deviation for the binomial distribution which has the stated values of N and P. Round your answer to the
1 answer
asked by
kate
110 views
the probability mass functions of a discrete random variable X is equal p(x) = a x, for x = 1,2,3 and 4. Find the value of a ?
1 answer
asked by
salman
80 views