Mathematics, 22.04.2020 23:47 karlyisaunicorn
In a test of the claim that a majority of Americans believe that human activity is the major cause of global warming, the null hypothesis is that p=0.5 and the alternative hypothesis is p>0.5.
Choose the correct answer below.
O A. The statement does not make sense. This is not a question that can be tested
OB. The statement does not make sense. The alternative hypothesis should be p/0,5
OC. The statement makes sense. The null hypothesis is the starting assumption and the alternative hypothesis is the claim that needs to be supported by evidence.
OD. The statement does not make sense. The null hypothesis should be p< 1 and the alternative hypothesis should be p=1.
Answers: 3
Mathematics, 20.06.2019 18:04
Q1) jin loves carrot yesterday she ate ½ of here carrots and today she ate 2/3 of the remaining carrots. she then discover that she has 12 carrots left. yesterday she must has started with carrots? a)36 b)48 c)60 d)72
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Mathematics, 21.06.2019 18:00
Agroup of students want to create a garden. they do not know the exact measurements but they propose using a variable to represent the length and width of the garden. the length of the garden is 10 feet longer than double the width. use a single variable to write algebraic expressions for both the length and width of the garden. write an algebraic expression for the area of the garden. use mathematical terms to describe this expression.
Answers: 3
Mathematics, 21.06.2019 19:30
If chord ab is congruent to chord cd, then what must be true about ef and eg?
Answers: 1
Mathematics, 21.06.2019 19:50
The probability that an adult possesses a credit card is .70. a researcher selects two adults at random. by assuming the independence, the probability that the first adult possesses a credit card and the second adult does not possess a credit card is:
Answers: 3
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