greater a barrier, and 19 said difficulty of use was barrier. Complete parts (a) through (d) below. stitutions, To sad secunty concens Tack of trust in the tec a. Construct a 90% confidence interval estimate of the population proportion of financial institutions who said that security concerns are a barrier hindering greater consumer adoption. mobile banking. 0.583 st≤ 0.727 (Round to three decimal places as needed.) b. Construct a 90% confidence interval estimate of the population proportion of financial institutions who said that lack of trust is a barrier hindering greater consumer adoption of mobile banking. SRS (Round to three decimal places as needed.).

MATLAB: An Introduction with Applications
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A bank report looks at what strategies and measures financial institutions are pursuing to provide mobile financial services to their customers. In a response to a survey question abou
barriers hindering greater consumer adoption of mobile banking, in a survey of 119 financial institutions, 78 said security concerns are barrier, 70 said lack of trust in the technology is
a barrier, and 19 said difficulty of use was barrier. Complete parts (a) through (d) below.
a. Construct a 90% confidence interval estimate of the population proportion of financial institutions who said that security concerns are a barrier hindering greater consumer adoption
mobile banking.
0.583 ≤ ≤ 0.727 (Round to three decimal places as needed.)
b. Construct a 90% confidence interval estimate of the population proportion of financial institutions who said that lack of trust is a barrier hindering greater consumer adoption of
mobile banking.
STS (Round to three decimal places as needed.)
Transcribed Image Text:A bank report looks at what strategies and measures financial institutions are pursuing to provide mobile financial services to their customers. In a response to a survey question abou barriers hindering greater consumer adoption of mobile banking, in a survey of 119 financial institutions, 78 said security concerns are barrier, 70 said lack of trust in the technology is a barrier, and 19 said difficulty of use was barrier. Complete parts (a) through (d) below. a. Construct a 90% confidence interval estimate of the population proportion of financial institutions who said that security concerns are a barrier hindering greater consumer adoption mobile banking. 0.583 ≤ ≤ 0.727 (Round to three decimal places as needed.) b. Construct a 90% confidence interval estimate of the population proportion of financial institutions who said that lack of trust is a barrier hindering greater consumer adoption of mobile banking. STS (Round to three decimal places as needed.)
Expert Solution
Step 1

Given that 

Sample size n =119

Favorable cases for security concerns x =78

Sample proportion π  =x/n =78/119=0.66

Favorable cases for lack of trust =70

Sample proportion  π=x/n =70/119=0.59

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