Mathematics, 05.05.2020 01:22, bri9263
Suppose the length, in words, of the essays written for a contest are normally distributed and have a known population standard deviation of 325 words and an unknown population mean. A random sample of 25 essays is taken and gives a sample mean of 1640 words.
Identify the parameters needed to calculate a confidence interval at the 98% confidence level. Then find the confidence interval.
z0.10 z0.05 z0.025 z0.01 z0.005
1.282 1.645 1.960 2.326 2.576
Answers: 2
Mathematics, 22.06.2019 01:40, amendes11
Areflection of shape i across the y-axis, followed by a , and then a translation left 6 units and down 4 units confirms congruence between shape i and shape ii. alternatively, a of shape ii about the origin, followed by a reflection across the y-axis, and then a translation right 4 units and up 6 units confirms congruence between shape ii and shape i.
Answers: 3
Mathematics, 22.06.2019 02:40, crybaby222psyc
Given the lease terms below, what monthly lease payment can you expect on this vehicle? terms: •length of lease: 60 months •msrp of the car: $28,500 •purchase value of the car after lease: $12,900 •down payment: $1900 •lease factor: 0.0005 •security deposit: $375 •aquisition fee: $300 a.$232.50 b.$279.99 c.$227.50 d.$248.08
Answers: 2
Suppose the length, in words, of the essays written for a contest are normally distributed and have...
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