Mathematics, 10.04.2020 05:02 Seena912
There are 101010 students in a class: 777 boys and 333 girls.
If the teacher picks a group of 444 at random, what is the probability that everyone in the group is a boy?
Answers: 3
Mathematics, 22.06.2019 03:00
Atest of sobriety involves measuring the subject's motor skills. a sample of 31 randomly selected sober subjects take the test and produce a mean score of 64.4 with a standard deviation of 2. a claim is made that the true mean score for all sober subjects is equal to 65. for each part below, enter only a numeric value in the answer box. for example, do not type "z =" or "t =" before your answers. round each of your answers to 3 places after the decimal point. (a) calculate the value of the test statistic used in this test. test statistic's value = (b) use your calculator to find the p-value of this test. p-value = (c) use your calculator to find the critical value(s) used to test this claim at the 0.2 significance level. if there are two critical values, then list them both with a comma between them. critical value(s) =
Answers: 2
Mathematics, 22.06.2019 04:30
Lucinda leaves money in her savings account for 8 years. she started with $800 and earned 3.5% interest compound annually. how much money is in her account?
Answers: 1
Mathematics, 22.06.2019 05:00
On the blueprint of a house, 42 millimeters represents 8 meters. the actual lehenth of the living room is 5 meters. what is the length on the blueprint
Answers: 3
There are 101010 students in a class: 777 boys and 333 girls.
If the teacher picks a group of...
If the teacher picks a group of...
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