Mathematics, 12.03.2021 06:50 darkremnant14
Select the correct answer. A school administrator wants to know the average age of the 25,000 kindergarteners in her state at the beginning of the school year. She randomly selects 1,000 kindergarteners in the state, assuring that the group accurately represents all kindergarteners in the state, and finds the average age to be 5 years 10 months. What assumption can she make regarding the approximate average age of all kindergarteners in the state? A. The approximate average age of kindergarteners in the state is less than 5 years 10 months. B. The approximate average age of kindergarteners in the state is 5 years 10 months. C. The approximate average age of kindergarteners in the state is greater than 5 years 10 months. D. No assumptions can be made regarding the average age of kindergarteners in the state because the sample is biased.
Answers: 1
Mathematics, 21.06.2019 14:00
In trapezoid efgh, m∠hef=(4x2+16)∘ and m∠gfe=(5x2+12)∘. find the value of x so that efgh is isosceles. i'm desperate.
Answers: 3
Mathematics, 21.06.2019 17:30
1. if we have 3 babies what is the probability they’re going to be all boys? 2. if we roll 2 die at the same time what is the probability of getting less than 10 on the first roll and a 5 on the second roll 3. if we have 3 babies what is the probability their is going to be 2 girls? 4. if we have 3 babies what is the probability of having no more than 1 girl? 5. it we have 3 babies and then have another 3 babies what is the probability of us having at least 1 boy and then having all girls?
Answers: 1
Mathematics, 21.06.2019 17:30
Ineeeeed this is due tomorrow and i dont know the answer can you find all the exponents
Answers: 1
Select the correct answer. A school administrator wants to know the average age of the 25,000 kinder...
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