Mathematics, 10.01.2020 06:31, joebiden1
Atype of thread is being studied for its tensile strength properties. fifty pieces were tested under similar conditions, and the results showed an average tensile strength of 78.3 kilograms and a standard deviation of 5.6 kilograms. assuming a normal distribution of tensile strengths, give a lower 95% prediction limit on a single observed tensile strength value. in addition, give a lower 95% tolerance limit that is exceeded by 99% of the tensile strength values.
Answers: 2
Mathematics, 21.06.2019 20:30, kelseybell5522
Solve this riddle: i am an odd number. i an less than 100. the some of my digit is 12. i am a multiple of 15. what number am i?
Answers: 1
Mathematics, 22.06.2019 04:40, Jermlew
Rena used the steps below to evaluate the expression , when . step 1: substitute into the expression. step 2: simplify the parentheses. step 3: evaluate the power to a power. step 4: use reciprocals and find the value. in which step did rena make the first error?
Answers: 2
Mathematics, 22.06.2019 04:50, trillsmith
Myra took a picture of the sky one afternoon when two jet airplanes appeared to draw a pair of parallel lines with their vapor trails. the vapor trails from two other jets flying from another direction crossed over the parallel trails. she printed her picture and labeled the angles and lines. assume lines c and d are parallel and 2 measures 98°. which statements are true? check all that apply. 3 = 6 = 98° 3 = 14 = 98° 4 = 8 = 82° 4 = 12 = 82° 5 = 8 = 82°
Answers: 3
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