Question

A random sample of 50 children from rural region found that- 35 children consume at least...

A random sample of 50 children from rural region found that-
35 children consume at least one sugary soft drink per day.

a) Construct then state a 90% confidence interval from this sample result for the true proportion of children consuming at least one sugary soft drink per day. You don't have to show your working.

b) Interpret your interval in this context.

c) From your interval, are significantly less than 70% of children consuming at least one sugary soft drink per day? Explain briefly.

Math   Statistics-And-Probability   
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