Average tire life is 30,000 miles (μ = 30,000) and σ = 2,300 miles. What is the probability that a tire will last 35,000 miles (or more)?

5.25 ounces

step-by-step explanation:

divided 3/4 and 6

cant see photo

step-by-step explanation:

"standard form:

3x2 + 14x − 10 = 0

solutions based on quadratic formula:

x1   = −14 − √ 142 − 4×3×(−10) /   2×3   = −14 − 2 × √ 79 /   6   ≈ −5.296

x2   = −14 + √ 142 − 4×3×(−10) /   2×3   = −14 + 2 × √ 79 /   6   ≈ 0.629