1. Confidence Level =90%, o = 3, n = 30 2. Confidence Level =98%, 0 = 15, n = 55 3. Confidence Level =95%, s = 9, n = 80 4. Confidence Level =99%, s = 21, n = 15 5. Confidence Level =97%, s = 9, n = 19
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Irine invited Cherielyn to her birthday party that will be held in Auravel Grande Hotel, San Pablo City. Cherielyn has 4 new blouses (stripes, with ruffles, long-sleeved, and sleeveless) and 3 skirts (red, pink, and black) in her closet reserved for such occasions. In how many ways can Cherielyn selects her outfit? *
Answer:
4 blouses × 3 skirts = 12 blouse-skirts combination
PROOF:
see all possible combinations below,
stripes --> red, pink, or black = 3 possible combinations
with ruffles --> red, pink, or black = 3 possible combinations
long-sleeved --> red, pink, or black = 3 possible combinations
sleeveless --> red, pink, or black = 3 possible combinations
add all the possible combinations, and you will have 12.
\therefore \large\boxed{\text{\sf There are 12 ways to select her outfit}}∴
There are 12 ways to select her outfit
* as always, double check my answers for errors or carelessness.
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