Can you conclude that the mean sugar concentration differs among the three days? Use the α = 0.05 level of significance.

Jenisey has $24 to spend on seven pencils. after buying them she had $10. how much did each pencil cost.?

You were told that the amount of time lapsed between consecutive trades on the new york stock exchange followed a normal distribution with a mean of 15 seconds. you were also told that the probability that the time lapsed between two consecutive trades to fall between 16 to 17 seconds was 13%. the probability that the time lapsed between two consecutive trades would fall below 13 seconds was 7%. what is the probability that the time lapsed between two consecutive trades will be between 14 and 15 seconds?

Why is studying fractions important