Question:Age 0-14 number of people= 206,423 Age 15-34 number of people= 265,778 Age 35-54 number of people= 308,946 Age 55-74 number of people= 159,092 Age over 74 number of people= 69,264 1)Classify the data in the table
Age 0-14 number of people= 206,423 Age 15-34 number of people= 265,778 Age 35-54 number of people= 308,946 Age 55-74 number of people= 159,092 Age over 74 number of people= 69,264 1)Classify the data in the table
Age 0-14 number of people= 206,423 Age 15-34 number of people= 265,778 Age 35-54 number of people= 308,946 Age 55-74 number of people= 159,092 Age over 74 number of people= 69,264
1)Classify the data in the table. A)positively skewed B)negatively skewed C)normally distributed D)discrete distribution My first choice was C but I went with A instead.
2)For 2000 patients, a blood-clotting time was normally distributed with a mean of 8 seconds. What percent had blood-clotting times between 5 and 11 seconds? A)68% B)34% C)49/5% D)47/5% I chose A
3)During a sale, 1/6 of the CD prices are reduced. Find the probability that 2 of 4 randomly-selected CDs have reduced prices? A)5/36 B)25/1296 C)25/216 D)5/216 I dont know
4)A music teacher wants to determine the music performances of students. A survey of which group would produce a random sample? A)students in the school band B)students attendeing the annual jazz concert C)students in every odd-numbered homeroom D)every other player on the baseball roster I chose B
5)In an election poll, 56% of 400 voters chose a certain canidate. Find the margin of sampling error. A)5% B)2% C)4% D)7% I chose A
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Age 0-14 number of people= 206,423 Age 15-34 number of people= 265,778 Age 35-54 number of people= 308,946 Age 55-74 number of people= 159,092 Age over 74 number of people= 69,264 1)Classify the data in the table