Bolts are manufactured which are to fit in holes in steel plates. The diameter of the bolts is normally distributed with mean 2.60 cm and standard deviation 0.03 cm; the diameter of the holes is normally distributed with mean 2.71 cm and standard deviation 0.04 cm. a) Find the probability that a bolt selected at random has a diameter less than 2.65 cm. b) Find the probability that a hole selected at random has a diameter more than 2.65 cm. c) If a bolt and a hole are selected at random, find the probability that the bolt will be able to enter the hole.
Percentage
A percentage is a number indicated as a fraction of 100. It is a dimensionless number often expressed using the symbol %.
Algebraic Expressions
In mathematics, an algebraic expression consists of constant(s), variable(s), and mathematical operators. It is made up of terms.
Numbers
Numbers are some measures used for counting. They can be compared one with another to know its position in the number line and determine which one is greater or lesser than the other.
Subtraction
Before we begin to understand the subtraction of algebraic expressions, we need to list out a few things that form the basis of algebra.
Addition
Before we begin to understand the addition of algebraic expressions, we need to list out a few things that form the basis of algebra.
![Bolts are manufactured which are to fit in holes in steel plates. The diameter of the bolts is
normally distributed with mean 2.60 cm and standard deviation 0.03 cm; the diameter of the
holes is normally distributed with mean 2.71 cm and standard deviation 0.04 cm.
a)
Find the probability that a bolt selected at random has a diameter less than 2.65 cm.
b)
Find the probability that a hole selected at random has a diameter more than 2.65 cm.
c)
If a bolt and a hole are selected at random, find the probability that the bolt will be able
to enter the hole.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F47dda060-d87e-4ecf-81d9-72d48e2424f5%2F64b80f26-fba9-4c46-8813-bd6ec3497181%2Fd06772a_processed.jpeg&w=3840&q=75)
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