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2. Coupon collector's problem - Wikipedia

   en.wikipedia.org/wiki/Coupon_collector's_problem

   In probability theory, the coupon collector's problem refers to mathematical analysis of "collect all coupons and win" contests. It asks the following question: if each box of a given product (e.g., breakfast cereals) contains a coupon, and there are n different types of coupons, what is the probability that more than t boxes need to be bought ...

3. US urges people to not travel to Bangladesh amid 'civil unrest'

   www.aol.com/news/us-urges-people-reconsider...

   July 20, 2024 at 8:45 PM. By Kanishka Singh. WASHINGTON (Reuters) -The U.S. State Department said on Saturday it has raised Bangladesh's travel advisory to level four, which urges people to not ...

4. 1951 USAF resolution test chart - Wikipedia

   en.wikipedia.org/.../1951_USAF_resolution_test_chart

   A 1951 USAF resolution test chart is a microscopic optical resolution test device originally defined by the U.S. Air Force MIL-STD-150A standard of 1951. The design provides numerous small target shapes exhibiting a stepped assortment of precise spatial frequency specimens. It is widely used in optical engineering laboratory work to analyze and ...

5. Hey Dude loafers are on sale at Amazon - AOL

   www.aol.com/lifestyle/these-lightweight-loafers...

   Hey Dude Women's Wendy Loafers. $29 $55 Save $26. Teachers, nurses and Mouse mavens swear by these light and lovely loafers for all-day wear. They come in 30-plus colors, but know that prices vary ...

6. Daily mortgage rates for August 7, 2024: Average 30-year, 15 ...

   www.aol.com/finance/daily-mortgage-rates-for...

   The average rate on a 30-year fixed jumbo mortgage is 6.75%. Purchase rates for Wednesday, August 7, 2024. 30-year fixed rate — 6.56%. 20-year fixed rate — 6.33%. 15-year fixed rate — 6.00% ...

7. Polyvinyl chloride - Wikipedia

   en.wikipedia.org/wiki/Polyvinyl_chloride

   Polyvinyl chloride (alternatively: poly (vinyl chloride), [6] [7] colloquial: vinyl [8] or polyvinyl; abbreviated: PVC [8]) is the world's third-most widely produced synthetic polymer of plastic (after polyethylene and polypropylene ). About 40 million tons of PVC are produced each year.