The resting heart rates for 80 women aged 46–55 in a simple random sample are normally distributed, with a mean of 71 beats per
2 answers:
You might be interested in
Answer:
<em>n = 6 </em>
Step-by-step explanation:
2.3 × = (1 × 10³)(2.3 ×
)
(1 × 10³)(2.3 × ) = (1)(2.3) × (10³)(
) = 2.3 ×
2.3 × = 2.3 ×
⇒ 3 + n = 9 ⇒ <em>n = 6</em>
Answer:
Area of larger circle =
Area of smaller circle =
Probability that it lands in the shaded area (smaller circle):
28.26 ÷ 379.94 = 0.07438... = 0.07 (nearest hundredth)