Sample Space ={5 Red, 8White, 2 Blacks} = 15 possible outcomes.
Favorable outcomes={5 Red}
1) P(drawing 1st Red) = 5/15
2) P(drawing ANOTHER RED) = 4/14 (because one Red already drawn and NOT replaced, so the remaining Red are now 4 and the new sample space is now 14, since 1 red already drawn), Hence
P( 1 Red AND another Red) = (5/15).(4/15) or:
"5 over 15 multiplied by 4 over 14"
Answer:
The answer is T = 25
Step-by-step explanation:
Hope this helps
Answer:
about 33.75 mg
Step-by-step explanation:
75% of 45 mg is ...
0.75 × 45 mg = 33.75 mg
About 33.75 mg of vitamin C are in one orange.
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You might be asked to round this to 34 mg.
Answer:
Step-by-step explanation:
Given that x = no of movies high school students watched is N(6.8, 1.8)
Sample size = 36 and hence std error = 1.8/6 = 0.3
(two tailed test)
Mean difference = 6.2-6.8 = -0.6
Test statistic z = -0.6/0.3= -2
p value = 0.02275
Since p <0.05 we reject H0.
There is evidence to show that college students watch fewer movies a month than high school students
Answer-
-8
Step-by-step explanation:
