Mathematics, 26.08.2021 18:20 emaliemcfalls1234
Ms. Brown's class designed an experiment to test the effectiveness of a well-advertised hand sanitizer. They compared the hand sanitizer with two brands of soap and water. As a control, the students rubbed their hands together for two minutes in warm water and then dried them with a towel. Their results are shown in the data table. When analyzing and interpreting the data which hand washing method is LEAST effective in killing bacteria? Question 4 options: soap A soap B warm water hand sanitizer
Answers: 1
Mathematics, 21.06.2019 20:20
Abag contains 3 red marbles, 2 blue marbles, and 2 green marbles. one marble is picked, then another marble. assume that the selections are made with replacement. a) find the probability of picking two red marbles with replacement. b) find the probability of picking a red marble and a blue marble. assume the selections are made without replacement. c) find the probability of picking two red marbles without replacement. d) find the probability of picking a red marble and a blue marble without replacement.
Answers: 1
Mathematics, 21.06.2019 21:40
Scores on the cognitive scale of the bayley-scales of infant and toddler development range from 1 to 19, with a standard deviation of 3. calculate the margin of error in estimating the true mean cognitive scale score, with 99% confidence, if there are 12 infants and toddlers in a sample.
Answers: 3
Mathematics, 22.06.2019 00:30
On her first stroke, maya hit a golf ball 146 yards, 2 feet, 11 inches. on her second stroke, she hit it 163 yards, 1 foot, 2 inches. how far did the ball go all together? convert the answer to larger units whenever possible.
Answers: 2
Mathematics, 22.06.2019 02:00
Quadrilateral abcd is a parallelogram with diagonals that intersect at point e. which of the following statements is true?
Answers: 1
Ms. Brown's class designed an experiment to test the effectiveness of a well-advertised hand sanitiz...
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