Mathematics, 17.12.2019 06:31 rosyposy43
Alocal bank needs information concerning the savings account balances of its customers. a random sample of 15 accounts was checked. the mean balance was $686.75 with a standard deviation of $256.20. find a 98% confidence interval for the true mean. assume that the account balances are normally distributed. a) ($532.86, $840.64) c) (s513.14, $860.36) b) (s544.87, $828.63) d) (s326.21, $437.90)
Answers: 3
Mathematics, 21.06.2019 17:00
What is the arc length when θ =pi over 3 and the radius is 5 cm? (5 points) 5 pi over 3 cm 10 pi over 3 cm 16 pi over 3 cm pi over 3 cm
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Mathematics, 21.06.2019 21:00
Rewrite the following quadratic functions in intercept or factored form. show your work. y = 5x^2 + 10x
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Mathematics, 22.06.2019 01:30
A23 – year – old male buys 100/300/100 liability insurance, collision insurance with a $100 deductible, and comprehensive insurance with a $250 deductible? what is his total annual premium? (a) $1142.00 (b) $1765.45 (c) $1770.10 (d) $1785.25
Answers: 2
Alocal bank needs information concerning the savings account balances of its customers. a random sam...
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