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Posted: **Wed May 11, 2022 5:56 am**

: A Stat 510 Student Works At The It Help Desk At Hale Library She Works There Tuesdays And Thursdays 6 Pm 10 Pm And On 1 (65.92 KiB) Viewed 15 times

A Stat 510 student works at the IT Help Desk at Hale Library. She works there Tuesdays and Thursdays 6 pm - 10 pm and on Sunday 1 pm - 5 pm. On average, she receives 2.4 walk-ins per shift on Tuesdays and Thursdays and 3.2 walk-ins on Sundays. Assume walk-in arrivals occur randomly at a constant rate, and different periods of time are independent. Assume that the proportion of walk-in problems that have a quick solution follows a Beta distribution.

2. FORMULA. What is the variance of proportion of walk-in problems that have a quick solution, if a = 22 and B = 73? (Use five digits after the decimal point, e.g., 0.12345)