A survey of 107 college students was taken to determine the musical cells that they liked. Of those, 40 students listen to rock, 31 to classical, and 45 to Jazzzy. Also, 27 students listen to rock and jazz, 15 to rock and classical, and 18 to classical and jazz. Finally, 13 students listen to all three musical styles. construct a Venn diagram and determine the cardinality for each region. Use the completed Venn diagram to answer the following questions

this doesn't make sense lol

the answer is 1 becuz if it were 1.0 that would rip apart the entire so ya. : )

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(a) {a₁, a₁r, a₁r², … a₁rⁿ⁻¹, …}

(b) $59 398

step-by-step explanation:

(a) the annual sequence of profits

aₙ = a₁rⁿ⁻¹

the model for the sequence of profits is {a₁, a₁r, a₁r², … a₁rⁿ⁻¹, …} .

(b) profit after 15 yr

  a₁ = $ 30 000

  r = 1.05

a₁₅ = 30 000 × 1.05¹⁴

a₁₅ = 30 000 × 1.979 93

a₁₅ = $59 398

the profit in year 15 will be $59 398.