Rational Numbers Instruction Active
Identifying Rational and Non-Rational Numbers
Use the drag and drop tiles to determine whether the number is rational or not rational
0.314587
Rational
Not Rational
063
-25348197
- 153
21
23
Done
Intro
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Now, martin can reasonably guess that the standard deviation for the entire population of people at the mall during the time of the survey is $1.50. what is the 95% confidence interval about the sample mean? interpret what this means in the context of the situation where 95 people were surveyed and the sample mean is $8. use the information in this resource to construct the confidence interval.

Bob paid $3 less than tim at a local pizza parlor. together they spent $7.80. how much did bob pay for pizza?

Astudy claims that the mean age of online dating service users is 40 years. some researchers think this is not accurate and want to show that the mean age is not 40 years. identify the null hypothesis, h0, and the alternative hypothesis, ha, in terms of the parameter μ. select the correct answer below: h0: μ≥40; ha: μ< 40 h0: μ≤40; ha: μ> 40 h0: μ≠40; ha: μ=40 h0: μ=40; ha: μ≠40