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Re: Trig 2
Posted:
Jun 9, 2010 11:07 PM
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Hi everyone
If you would like another practice exam to give to your Alg. 2/Trig
students, paste the web address found below into your browser and choose the
PDF titled "Mock Exam." This is the one that we gave to our students about
a week ago. If you could please let me know whether or not you were able to
retrieve the document, I would appreciate it.
http://www.seaford.k12.ny.us/16012011523293177/FileLib/browse.asp?a=374&BMDR
N=2000&BCOB=0&c=56886&16012011523293177Nav=|552|&NodeID=565
Good luck to all!!
Genevieve LaGattuta
Seaford High School
On 5/26/10 11:20 AM, "precopio@nycap.rr.com" <precopio@nycap.rr.com> wrote:
> Thank you! I think this is ridiculous for a trig student.
> I hate teaching how to press buttons. That's basically what I will be doing
> since I have no time for this.
>
> ---- Michael Crawford <mcrawford@minisink.com> wrote:
>> This is what another teacher gave me that she is using for her class. Use
>> the last case for this problem.
>>
>>
>>
>> Algebra 2/Trig
>> Name _______________________
>>
>> Probability on the Graphing Calculator
>> Date ___________ Per _________
>>
>>
>>
>> In general, for a given experiment, if the probability of success is p and
>> the probability for failure
>>
>> is 1 - p = q, then the probability of exactly r successes in n independent
>> trials is:
>>
>>
>>
>> Probability of r successes in n independent trials =
>>
>>
>>
>>
>>
>> Exactly r successes in n trials
>>
>> We can use our graphing calculator to find the probability of EXACTLY r
>> successes in n trials:
>>
>>
>>
>> 2nd, VARS, 0: binompdf (
>>
>> Enter the following: n, p, r)
>>
>>
>>
>> Remember: n = # of trials, p = probability of success, r = # of successes
>>
>>
>>
>>
>>
>> At Most r successes in n trials
>>
>> We can use our graphing calculator to find the probability of AT MOST r
>> successes in n trials:
>>
>>
>>
>> 2nd, VARS, A: binomcdf (
>>
>> Enter the following: n, p, r)
>>
>>
>>
>> Remember: n = # of trials, p = probability of success, r = # of successes
>>
>>
>>
>>
>>
>> At Least r successes in n trials
>>
>> We can use our graphing calculator to find the probability of AT LEAST r
>> successes in n trials:
>>
>>
>>
>> We have to calculate the following:
>>
>> 1 - binomcdf (n, p, r) + binompdf (n, p, r)
>>
>>
>>
>> Remember: n = # of trials, p = probability of success, r = # of successes
>>
>>
>>
>> Examples:
>>
>> 1. A fair die is rolled five times. Find the probability of rolling exactly
>> two sixes.
>>
>>
>>
>>
>>
>>
>>
>> 2. A fair die is rolled eight times. Find the probability of rolling at most
>> three twos.
>>
>>
>>
>>
>>
>>
>>
>>
>>
>> 3. A fair die is rolled 14 times. Find the probability of rolling at least
>> five ones.
>>
>>
>>
>> ----- Original Message -----
>> From: "Holly Siebert" <Holly.Siebert@wappingersschools.org>
>> To: <nyshsmath@mathforum.org>
>> Sent: Wednesday, May 26, 2010 9:58 AM
>> Subject: Re: Trig 2
>>
>>
>>> can you tell us the commands because we do not have the Prentice Hall
>> Review Book?
>>> Thanks
>>>
>>>
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>>>
>
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