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Sender: "piclist-bounces@mit.edu" Date: Wed, 5 Aug 2020 00:25:46 -0700 Subject: Re: [EE] "Sunlight" brand LEDs Thread-Topic: [EE] "Sunlight" brand LEDs Thread-Index: AdZq+w49yk5sPiaIQYGoaI5fGZtk5w== Message-ID: References: <5F28A038.9060203@narwani.org> <5F296D3B.7010705@narwani.org> <5F2A26E6.6020503@narwani.org> List-Help: List-Subscribe: , List-Unsubscribe: , In-Reply-To: <5F2A26E6.6020503@narwani.org> Reply-To: Microcontroller discussion list - Public. Accept-Language: en-US X-MS-Exchange-Organization-AuthAs: Anonymous X-MS-Exchange-Organization-AuthSource: TS500.efplus4.local X-MS-Has-Attach: X-Auto-Response-Suppress: All X-MS-Exchange-Organization-SenderIdResult: Pass X-MS-Exchange-Organization-PRD: mit.edu X-MS-TNEF-Correlator: received-spf: Pass (protection.outlook.com: domain of gmail.com designates 209.85.208.45 as permitted sender) receiver=protection.outlook.com; client-ip=209.85.208.45; helo=mail-ed1-f45.google.com; dkim-signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:references:in-reply-to:from:date:message-id:subject:to; bh=uptvvwhAg+k3sSdDpdkrwg+9atJ+6y7Z0JF09ND0GJc=; b=moidOqkYWNWiEBzvvd92P324obSVzx/D8nwc39La51sEY/gu4zQgQxZxX8euhzRHzr JHSHM79g61ODfoapdQz4KYgxEyoGztLw4+YwnHtHWxIdCQ7Rjbqlb4/rv1A5xB+lNM7f 1mm8JoYFvlW5nYDhhYZJXLRz2jVKTZ0QT2h3iItoFEV9WRC6Vd3PZcQ+fHd5G/mSkZQ6 lCsisESDURIokJwVHL8GnDG5kEgOO/9kSSsGwbER65Oy8ZdjYkOKBUItmSPlChGi8aKw JiZnqmfNwqkC/qGTeyvC6/67fJuH60QXRTVkEjQ+x2/qT5YTqAbWagnhzOWZAM/4Ey6E Pmvw== authentication-results: spf=pass (sender IP is 209.85.208.45) smtp.mailfrom=gmail.com; mit.edu; dkim=pass (signature was verified) header.d=gmail.com; mit.edu; dmarc=pass action=none header.from=gmail.com; errors-to: piclist-bounces@mit.edu list-id: "Microcontroller discussion list - Public." list-post: x-beenthere: piclist@mit.edu x-mailman-version: 2.1.6 x-received: by 2002:a50:d1d4:: with SMTP id i20mr1592119edg.320.1596612384207; Wed, 05 Aug 2020 00:26:24 -0700 (PDT) x-topics: [EE] x-content-filtered-by: Mailman/MimeDel 2.1.6 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 > > > Statistical rule of thumb is if you get no results in N samples then > actual > > figure is - hmm - mind says either < 1 in N/3 or < 1 in 3N. If that > sounds > > of relevance it can be checked. > > Just for (possible) interest: https://wiki2.org/en/Rule_of_three_(statistics) Summary: If you make N tests with negative result then there is 3/N probability that there are no positive results at the 95% confidence level. - 300 parachutes open OK -> <1% chance of parachute failure at 95% confidence level. Nobody shoots me on 1000 trips to town -> < 0.1% chance that nobody will shoot me if I take a trip to town at 95% confidence level. (NB: prior trips were until end of last year!) R --=20 http://www.piclist.com/techref/piclist PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist .