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QUESTION TWO Rawiri's father works as a quality control manager at a food packaging and processing plant. He knows from experience that the packed weights of the Ruffles brand of potato chips, which they produce, are normally distributed with mean 155 g and standard deviation \( 2 \mathrm{~g} \cdot \) The labelling on each of the packets of potato chips states a minimum contents of 150 g . (a) Find the probability that a randomly selected packet of Ruffles potato chips weighs: (i) between 157 g and 160 g .
Statistics Sep 29, 2024
19 1 8) Find the probability of rolling a prime number on the first die and an even number on the second.
Probability Sep 25, 2024
7. 7 ) Find the probability of rolling the same number on both dice.
Probability Sep 25, 2024
(6) 6) Find the probability of not rolling the difference of 2 .
Probability Sep 25, 2024
Find the probability of not rolling the difference of 1 With 2 dice
Probability Sep 25, 2024
4) Find the probability of not rolling the difference of 1 .
Probability Sep 25, 2024
He is making the step out of concrete. The concrete must be made up of \[ 1 \text { part cement: } 2 \text { parts water: } 3 \text { parts shingle. } \] He uses a small bucket to measure each part. He estimates that he will need 18 buckets of concrete in total. How many buckets of shingle will he need?
Arithmetic Sep 19, 2024
In New Zealand, approximately 2400 tonnes of blue cod are harvested each year. The average mass of a blue cod is 800 g . Approximately how many blue cod are harvested each year?
Arithmetic Sep 19, 2024
c A triathlon bike wheel rotates through \( 1800^{\circ} \) every 10 m . How many full rotations is this?
Geometry Sep 19, 2024
From Whakatāne she drove 85 km to Rotorua. The trip took her 1 hour and 15 minutes. Calculate her average speed.
Arithmetic Sep 19, 2024
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