Mathematics, 18.10.2021 23:00 aleiahmartin
The stiffness of a certain type of steel beam used in building construction has mean 30 kN/mm and standard deviation of 2.2 kN/mm. A random sample of 121 steel beams is drawn. What is the probability that the sample mean stiffness of the beams is greater than 30.15 kN/mm? Express your answer in decimals.
Answers: 1
Another question on Mathematics
Mathematics, 21.06.2019 14:50
Apair of ordinary dice is rolled. what is the probability that each die will show a number higher than 4. 1. (1/36) 2. (1/12) 3. (1/6) 4. (1/4) 5. (1/3)
Answers: 2
Mathematics, 21.06.2019 16:30
Asequence {an} is defined recursively, with a1 = 1, a2 = 2 and, for n > 2, an = an-1 an-2 . find the term a241
Answers: 2
Mathematics, 21.06.2019 18:50
Need 50 will mark brainliest answer. find the lengths of all the sides and the measures of the angles.
Answers: 1
Mathematics, 21.06.2019 19:30
Asurvey of 2,000 doctors showed that an average of 3 out of 5 doctors use brand x aspirin.how many doctors use brand x aspirin
Answers: 1
You know the right answer?
The stiffness of a certain type of steel beam used in building construction has mean 30 kN/mm and st...
Questions
English, 18.09.2021 14:00
Mathematics, 18.09.2021 14:00
Arts, 18.09.2021 14:00
Mathematics, 18.09.2021 14:00
Social Studies, 18.09.2021 14:00
History, 18.09.2021 14:00
Engineering, 18.09.2021 14:00
Biology, 18.09.2021 14:00
World Languages, 18.09.2021 14:00
History, 18.09.2021 14:00
Mathematics, 18.09.2021 14:00
