Mathematics
24.11.2021 12:41
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Acompany produces steel rods. the lengths of the steel rods are normally distributed

Acompany produces steel rods. the lengths of the steel rods are normally distributed with a mean of 236.8-cm and a standard deviation of 1.3-cm. for shipment, 29 steel rods are bundled together. find the probability that the average length of a randomly selected bundle of steel rods is between 236.5-cm and 236.7-cm. p(236.5-cm < m < 236.7-cm) =
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tmantooth7018
tmantooth7018
4,7(18 marks)

Transform M to the standard normally distributed random variable Z via

Z=\dfrac{M-\mu_M}{\sigma_M}

where \mu_M and \sigma_M are the mean and standard deviation for M, respectively. Then

P(236.5

ahnorthcutt4965
ahnorthcutt4965
4,7(12 marks)

0.0606.                        .                

hope this helps

athenadailey8717
athenadailey8717
4,5(5 marks)
1 metre = 100cm
2 metres = 200cm

200 / 80 = 2.5

2 boards is the answer. Please make this answer the brainiest.

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