Mathematics, 09.03.2021 05:20 lilpeepxliltracy
On any given day 34% of sales at Ruby's jewelry store are from necklaces, while 28% of sales at Nugget Jewels
are from necklaces. Suppose Ruby's has 50 customers and Nugget Jewels has 60 customers on a randomly
selected day. Let R = the proportion of sales that are from necklaces at Ruby's and N = the proportion of sales that
are from necklaces at Nugget Jewels. What is the probability that the proportion of sales from necklaces at Ruby's
will be less than the proportion of sales from necklaces at Nugget Jewels?
Answers: 1
Mathematics, 22.06.2019 02:20, smelcher3900
There are two major tests of readiness for college: the act and the sat. act scores are reported on a scale from 1 to 36. the distribution of act scores in recent years has been roughly normal with mean µ = 20.9 and standard deviation s = 4.8. sat scores are reported on a scale from 400 to 1600. sat scores have been roughly normal with mean µ = 1026 and standard deviation s = 209. reports on a student's act or sat usually give the percentile as well as the actual score. the percentile is just the cumulative proportion stated as a percent: the percent of all scores that were lower than this one. tanya scores 1260 on the sat. what is her percentile (± 1)?
Answers: 1
Mathematics, 22.06.2019 04:10, lizdeleon248
Amy is plan her school's new basketball court. the west edge of the basketball court is located on the line y = 5x + 2. the east edge cannot intersect with the west edge. on which line could the east edge be located? −y − 5x = 100 y + 5x = 100 −5x − y = 50 5x − y = 50
Answers: 2
Mathematics, 22.06.2019 07:10, johnandashley5p65r4a
If -2x²+5-8 is by 4x-9, is of x in ? a) -77 b) -45 c) -32 d) -13
Answers: 2
On any given day 34% of sales at Ruby's jewelry store are from necklaces, while 28% of sales at Nugg...
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