Question 5 of 10 Based on the data in the table below, what is the probability that a given
accident involved a driver between the ages of 35 and 44?
Drivers in
Age group accidents
(thousands)
19 and under 2150
20-24
2620
25-34 3740
35-44 3220
45-54 3030
55-64 1990
65-74 790
75 and over 560
Drivers in
fatal
accidents
5,400
8,700
10,700
9600
9400
6500
3800
4300
Licensed
drivers
(thousands)
10,034
17,173
35 712
40,322
40,937
30,355
17,246
13,321
O A. 2.5%
OB. 17.8%
C. 4.3%
O D. 14.5%

Arandomized controlled trial is designed to evaluate the effect of metoprolol in patients with heart failure. while preparing for statistical analysis, the researcher reviews some common types of statistical errors. which of the following statements is true regarding a type i error in a clinical study? a. the study is not significantly powered to detect a true difference between study groups. bthe null hypothesis is true but is rejected in error. c. the null hypothesis is false but is accepted in error. d. type i error is also known as beta and is usually 0.1 or 0.2. e. type i error depends on the study's confidence interval.