Jose is standing 10 feet east of a mail-box when he begins walking directly east of the mailbox at a constant speed of 6 feet per second. a. how far east is jose from the mail-box 5 seconds after he started walking? b. write a formula that expresses jose's distance from the mailbox (in feet),in terms of the number of seconds t since he started walking. c. as jose walks away from the mail-box, is his distance from the mail-box proportional to the time elapsed since he started walking away from the mailbox?

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In tossing one coin 10 times, what are your chances for tossing a head? a tail? 2. in tossing one coin 100 times, what are your chances for tossing a head? a tail? 3. in tossing one coin 200 times, what are your chances for tossing a head? a tail? deviation = ((absolute value of the difference between expected heads and observed heads) + (absolute value of the difference between expected tails and observed tails)) divided by total number of tosses. this value should always be positive. 4. what is the deviation for 10 tosses? 5. what is the deviation for the 100 tosses? 6. what is the deviation for 200 tosses? 7. how does increasing the total number of coin tosses from 10 to 100 affect the deviation? 8. how does increasing the total number of tosses from 100 to 200 affect the deviation? 9. what two important probability principles were established in this exercise? 10. the percent of occurrence is the obtained results divided by the total tosses and multiplied by 100%. toss the coins 100 times and record your results. calculate the percent occurrence for each combination. percent head-head occurrence: percent tail-tail occurrence: percent head-tail occurrence:

27 is what percent of 108? 27 is % of 108