Make Predictions abouta Population 3/26/15 Page 95 DO NOW: The circle graph shows the results of a survey of 500 college students about their preferred Spring break destination. Of these 500 students, how many students preferred Cancun? i Spring Break Dÿstinations i'ÿ/ ÿrl- Choice Relative Frequency Decimal (Percent) Pumpkin 25"- toÿ Cherry ?ÿ'ÿ "ÿo0 19% Daytona \ l uo 5o,J Apple z,r i 12% Cancun Peach \ 7. C 24% 17% Miami South Padre Island l o ÿ X.'; .fuo Peca n Pÿ =F /'J Create a Circle Graph qÿ4 O. A sample isÿselection taken from a larger group (the "population") so that you can examine it to find out something about the larger group. To save time and money, you will survey a sample or part of the group. Take a sample of twenty-five random students about their favorite type of pie. Choice Frequency Fraction Pumpkin )/ 2S Cherry 3 f Apple Z Peach Pecan Hÿ S ) A survey of students' favorite sports was taken from a random sample of students in a school. Use the percent equation to help you solve. The results are shown in the table. 5. A survey showed that 74% of a nursery's mail-order customers spent more than $100 on plants each spring. Predict how !!ÿam/of 125,000 mail-order Students' Favorite customers will spell 00 on pJÿants next Sports spring. Soccer 8 Baseball/Softball 3 Volleyball[ 5 Track & Field ..... t0o -r 4 O ZYo ,,< 26 1. What is the size of the sample? Z 0 2. What is the probability that a student will prefer soccer? c( ÿ- of -- 3. What is the probability that a student will prefer volleyball? Jcoo Zÿ v° 6. A survey of high school students with jobs asked'} ÿ ÿ" oO whether the students saved some of the money they earned. 84% of the students said they saved some money. Out of 375 students, predict how many would save some of their earnings. Zq7 i i )_.r 7. A survey showed that 55% of a travel company's customers were planning an overseas vacation the following year. Predict how many of the travel company' s 12,400 travelers will vacation overseas the following year. 4. There are 550 students in the school. Predict how many students at the school prefer track and field. .._.__.J %zo lo CZo

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