Mathematics, 26.06.2020 16:01 mustachbrah
Roger will flip a coin 3 times. Which 2 events are disjoint?
A. Getting exactly 1 head and Getting at least 1 tail
B. Getting at least 1 head and Getting at least 1 tail
C. Getting exactly 1 head and Getting at least 2 tails
D. Getting at least 2 heads and Getting at least 2 tails
Answers: 1
Mathematics, 21.06.2019 16:30
Both the red and blue line segments stretch from the center of the circle to a point on the circle. the length of the blue segment is 5. how long is the red line segment?
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Mathematics, 21.06.2019 19:40
Atextile fiber manufacturer is investigating a new drapery yarn, which the company claims has a mean thread elongation of 12 kilograms with a standard deviation of 0.5 kilograms. the company wishes to test the hypothesis upper h subscript 0 baseline colon mu equals 12 against upper h subscript 1 baseline colon mu less-than 12 using a random sample of n equals 4 specimens. calculate the p-value if the observed statistic is x overbar equals 11.8. round your final answer to five decimal places (e.g. 98.76543).
Answers: 3
Mathematics, 21.06.2019 21:00
Julie buys 2kg of apples and 7kg of pears ? 12.70. the pears cost ? 1.30 per kilogram what is the price per kilogram of the apples? show your working out
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Roger will flip a coin 3 times. Which 2 events are disjoint?
A. Getting exactly 1 head and Getting...
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