2. :) In a survey of 486 tourists who visited Nepal during 'Visit Nepal 2020', it wa found that 275 visited Rara, 300 visited Bardiya and 56 tourists did not vis both places. (i) How many tourists were there who visited Rara as well as Bardiya? (ii) Represent the above information in a Venn-diagram.

Find the y-intercept and x-intercept for the equation 5x-3y=60 what is the y-intercept

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.

Candice uses the function f(t)=t+100−−−−−−√ to model the number of students in her after-school program. the variable t represents days and f(t) represents the number of students. how many days does it take for there to be 15 students in her program? a. 225 days b. 125 days c. 325 days d. 115 days