Mathematics, 26.06.2019 11:30 Alangs
Iodine-131 is used medically to study the activity of the thyroid gland. iodine – 131 has a half-life of about 8 days. this means that approximately every 8 days, half the mass of the iodine decays into another element. if a container held a mass of 64 milligrams of iodine – 131, how much is left after 40 days?
Answers: 1
Mathematics, 21.06.2019 21:30, cassandramanuel
Carl's candies has determined that a candy bar measuring 3 inches long has a z-score of +1 and a candy bar measuring 3.75 inches long has a z-score of +2. what is the standard deviation of the length of candy bars produced at carl's candies?
Answers: 1
Mathematics, 21.06.2019 21:40, salinasroel22
In a survey of 1015 adults, a polling agency asked, "when you retire, do you think you will have enough money to live comfortably or not. of the 1015 surveyed, 534 stated that they were worried about having enough money to live comfortably in retirement. construct a 90% confidence interval for the proportion of adults who are worried about having enough money to live comfortably in retirement.
Answers: 3
Iodine-131 is used medically to study the activity of the thyroid gland. iodine – 131 has a half-lif...
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