The durability years (unit: year) of a product used in an office shall be in accordance with the normal distribution N (

[answerhappygod]

The durability years (unit: year) of a product used in an office
shall be in accordance with the normal distribution N (5,
0.12).

Calculate the probability of having to replace this product
more than twice within 10 years of purchase: Reply


Here

The first product's lifespan is X,

The second product's lifespan is Y.

X and Y are said to be independent. In addition, if the durability
is exceeded, the product must be damaged and replaced.

Round the answer to the third decimal place and write down the
second decimal place.