A researcher wishes to estimate, with 99% confidence, the population proportion of adults who support labeling legislation for genetically modified organisms (GMOS). Her estimate must be accurate within 5% of the true proportion. (a) No preliminary estimate is available. Find the minimum sample size needed. (b) Find the minimum sample size needed, using a prior study that found that 69% of the respondents said they support labeling legislation for GMOS. (c) Compare the results from parts (a) and (b). (a) What is the minimum sample size needed assuming that no prior information is available? n= (Round up to the nearest whole number as needed.)

MATLAB: An Introduction with Applications
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A researcher wishes to estimate, with 99% confidence, the population proportion of adults who support labeling legislation for genetically modified organisms (GMOS). Her estimate must be accurate within 5% of the true proportion.
(a) No preliminary estimate is available. Find the minimum sample size needed.
(b) Find the minimum sample size needed, using a prior study that found that 69% of the respondents said they support labeling legislation for GMOS.
(c) Compare the results from parts (a) and (b).
(a) What is the minimum sample size needed assuming that no prior information is available?
n =
(Round up to the nearest whole number as needed.)
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Transcribed Image Text:14 of 14 (10 complete) HW Score 6.3.18-T A researcher wishes to estimate, with 99% confidence, the population proportion of adults who support labeling legislation for genetically modified organisms (GMOS). Her estimate must be accurate within 5% of the true proportion. (a) No preliminary estimate is available. Find the minimum sample size needed. (b) Find the minimum sample size needed, using a prior study that found that 69% of the respondents said they support labeling legislation for GMOS. (c) Compare the results from parts (a) and (b). (a) What is the minimum sample size needed assuming that no prior information is available? n = (Round up to the nearest whole number as needed.) Enter your answer in the answer box and then click Check Answer. Check Answer Clear All 2 parts ręmaining 10:59 AM 1/12/2021 I Type here to search End F10 PgUp F11 PgDn Ins Home F9 F12 DII F5 PrtScn F8 F6 F7 Esc F2 F3 F4 F1 23 6 7 (8) 00
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