The number 41 is decreased to 38. What is the percentage by which the number was

decreased, to the nearest tenth of a percent?

Predict which statements are true about the intervals of the continuous function. check all that apply

How many significant figures are there in the number 10.76?

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