Use the given data to find the minimum sample size required to estimate the population proportion. margin of error: 0.09; confidence level: 90%; from a prior study, is estimated by 0.23. a. 53 b. 60 c. 5 d. 180

because 1.2 isnt half of 6 duh

42

step-by-step explanation:

, and

for

step-by-step explanation:

we can analyze the pattern at which the terms increase. let us denote , , , so that we can call

note the following:

the pattern: to get the next term value, we just add the next term number (e.g. 1st, 2nd, to the previous term value (term values are the given numbers in the question, 1, 3, 6, 10, 15,

from , to get to , we add

from , to get to , we add

etc.

we need to form a recursive formula, a formula that has the next term as a function of the previous term. so a possible recursive formula can be

, and for

191 students play sports and ninety-seven 10th graders were surveyed.

step-by-step explanation: