Confidence Interval for One Population Mean (t-test) Calculator Home Blog Confidence Interval for One Population Mean (t-test) Calculator Confidence Interval for One Population Mean (t-test) Confidence Interval for One Population Mean (t-test) Calculator Sample Mean (x̄): Sample Size (n): Sample Standard Deviation (s): Confidence Level (%): Decimal places for critical value: Decimal places for confidence interval: Calculate Related adbhutah adbhutah.com Articles: 1279 Previous Post A population of values has a normal distribution with μ=79.4 and σ=13.2. You intend to draw a random sample of size n=109. Next Post Hospital Noise Levels
40.3% of consumers believe that cash will be obsolete in the next 20 years. Assume that 7 consumers are randomly selected. Find the probability that fewer than 3 of the selected consumers believe that cash will be obsolete in the next 20 years. Round your answer to three decimal places as needed.
