01:35:02 The dot plots show the heights of boys and girls at a summer camp.
Heights of Boys and Girls at Camp
Boys' Heights
40 41 44 46 48 50 52 54 56 58 60
Inches
Girls' Heights
40 41 44 46 48 50 52 54 56 58 60
Inches
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The number of chocolate chips in an 18-ounce bag of chocolate chip cookies is approximately normally distributed with a mean of 1252 chips and standard deviation 129 chips. (a) what is the probability that a randomly selected bag contains between 1100 and 1500 chocolate chips, inclusive? (b) what is the probability that a randomly selected bag contains fewer than 1125 chocolate chips? (c) what proportion of bags contains more than 1225 chocolate chips? (d) what is the percentile rank of a bag that contains 1425 chocolate chips?

If 1/√5+1/√5+1=p+q√r , find the values of p, q and r

Aconstruction worker has rope 9 m long he needs to cut it in pieces that are each 3 /5 m long how many such pieces can he cut without having any rope leftover?