Amagazine claims that 75% of all teenage boys have their own cellphones. a researcher wished to test the claim and selected a random sample of 60 teenage boys. she found that 54 had their own cell phones. at α = 0.01, should the claim be rejected?

last option: rhombus or kite

step-by-step explanation:

a kite and rhombus have the same shape. as we don't have any specific formula for the calculation of area of kite. the diagonals are used to calculate the area of a kite or rhombus.

the formula for area of rhombus is given by:

here, d_1 is the first diagonal and d_2 is the second diagonal.

so,

last option is the correct answer ..

step-by-step explanation: