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Questions (9)
a) What is the 99th percentile of the Standard Normal (z) DIstribution?
b) Between what two values is the middle 99% of the
1 answer
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The scores on a standardized test are Normal with mean = 50 and sd = 10.
a) What peoportion of scores falls less than 65? b) What
1 answer
438 views
3. a) What is the 99th percentile of the Standard Normal (z) DIstribution?
b) Between what two values is the middle 99% of the
0 answers
246 views
3. You roll a fair six-sided die 7 times. What is the probability of getting a) exactly two 4’s?
b) less than (and not equal
1 answer
250 views
3. You roll a fair six-sided die 7 times. What is the probability of getting a) exactly two 4’s?
b) less than (and not equal
0 answers
309 views
4. A carnival game has the following payouts:
payout (x) $10 $20 $30 $40 probability (p) 40% 25% 20% 15% a) If you play the game
0 answers
234 views
You roll a fair six-sided die 7 times. What is the probability of getting a) exactly two 4’s?
b) less than (and not equal to)
0 answers
239 views
[Ag]=3.41*10^-2
in Ag2CrO4 [CrO4]=?
1 answer
340 views
what are the ingredients of a chemical reaction called?
2 answers
1,272 views